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File No. 31100005
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Copyright 2000
TOSHIBA TEC CORPORATION
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General Precautions for Installation/Servicing/Maintenance for the MR-3011/3012
The installation and service should be done by a qualified service technician.
1. When installing the MR-3011/3012 to the Plain Paper Copier, be sure to followthe instructions described in the "Unpacking/Set-Up Procedure for the MR-3011/3012" booklet which comes with each unit of the MR-3011/3012.
2. The MR-3011/3012 should be installed by an authorized/qualified person.3. Before starting installation, servicing or maintenance work, be sure to turn off
and unplug the copier first.4. When servicing or maintaining the MR-3011/3012, be careful about the rotating
or operation sections such as gears, pulleys, sprockets, cams, belts, etc.5. When parts are disassembled, reassembly is basically the reverse of disassem-
bly unless otherwise noted in this manual or other related materials. Be carefulnot to reassemble small parts such as screws, washers, pins, E-rings, toothed
washers to the wrong places.6. Basically, the machine should not be operated with any parts removed or disas-
sembled.7. Delicate parts for preventing safety hazard problems (such as breakers,
thermofuses, fuses, door switches, sensors, etc. if any) should be handled/installed/adjusted correctly.
8. Use suitable measuring instruments and tools.9. During servicing or maintenance work, be sure to check the serial No. plate and
other cautionary labels (if any) to see if they are clean and firmly fixed. If not,take appropriate actions.
10. The PC board must be stored in an anti-electrostatic bag and handled carefully
using a wristband, because the ICs on it may be damaged due to static electric-ity. Before using the wrist band, pull out the power cord plug of the copier and
make sure that there is no uninsulated charged objects in the vicinity.11. For the recovery and disposal of used MR-3011/3012s, consumable parts and
packing materials, it is recommended that the relevant local regulations/rulesshould be followed.
12. After completing installation, servicing and maintenance of the MR-3011/3012,return the MR-3011/3012 to its original state, and check operation.
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PREPARATION FOR TRANSPORTATION OF COPIER
Before transporting a copier on which mounts the MR-3011/3012, take off the MR-
3011/3012 or insert a gaggers underneath the MR-3011/3012 as shown in thefollowing figures.1. Use pieces of the corrugated board came in the package of MR-3011/3012 or
equivalent as the gaggers. Insert the gaggers as shown in the figure, then closethe MR-3011/3012.
2. Make sure that the height positioning stud is not in contact with the originalglass.
Height positioningstud
Gagger
Gagger
Gagger The height positioning stud is notin contact with the original glass.
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iOctober 2000 TOSHIBA TEC MR-3011/3012 CONTENTS
CONTENTS
1. SPECIFICATION ......................................................................................... 1-1
2. CONFIGURATION ....................................................................................... 2-1
3. SECTIONAL VIEW AND DRIVE SYSTEM.................................................. 3-13.1 Sectional View ....................................................................................... 3-13.2 Drive System ......................................................................................... 3-2
4. SYMBOLS AND LAYOUT OF ELECTRICAL PARTS /DIAGRAM OF SIGNAL BLOCKS ................................................................ 4-1
4.1 Symbols ................................................................................................. 4-14.2 Layout of Electrical Parts ....................................................................... 4-34.3 Diagram of Signal Blocks....................................................................... 4-44.4 Description of Interface Signals ............................................................. 4-5
5. DESCRIPTION OF OPERATIONS .............................................................. 5-15.1 Single Side Feeding .............................................................................. 5-15.2 Duplex Feeding...................................................................................... 5-55.3 Single Side Feeding (for Mixed Sized Originals).................................... 5-14
6. JAMMING .................................................................................................... 6-1
6.1 Feeding Jam .......................................................................................... 6-16.2 Transport Jam ........................................................................................ 6-16.3 Exit Jam................................................................................................. 6-26.4 Reversing Jam ....................................................................................... 6-2
7. ORIGINAL SIZE DETECTION..................................................................... 7-17.1 Method of Original Size Detection (for Standard Sized Originals) ..... 7-17.2 Relation between Status of Sensor and Original Size
(for Standard Sized Originals) ........................................................... 7-37.3 Method of Original Size Detection (for Mixed Sized Original) ............ 7-47.4 Relation between Status of Sensor and Original Size
(for Mixed Sized Originals) ................................................................ 7-5
8. FLOW CHART ............................................................................................. 8-1
9. TIMING CHART........................................................................................... 9-1
10. DESCRIPTION OF CIRCUITS .................................................................... 10-110.1 Input Circuits for Original Length Sensor, Read Sensor
and Reverse Sensor .............................................................................. 10-110.2 Irruptive Current Control Circuit ............................................................. 10-210.3 Drive Circuit for Read Motor .................................................................. 10-310.4 Drive Circuit for Reverse Motor .............................................................. 10-4
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iiOctober 2000 TOSHIBA TEC MR-3011/3012 CONTENTS
10.5 Drive Circuit for Feed Motor ................................................................... 10-510.6 Current Control Circuit for Feed Motor ................................................... 10-610.7 Drive Circuit for Fan Motor ..................................................................... 10-6
10.8 Drive Circuit for Reverse Solenoid ......................................................... 10-710.9 Reset Circuit .......................................................................................... 10-710.10 EEPROM Circuit .................................................................................... 10-8
11. DESCRIPTION OF INPUT/OUTPUT SIGNALS .......................................... 11-111.1 REQ Signal, ACK Signal and TxD Signal .............................................. 11-111.2 DF-ACK Signal, DF-REQ Signal and RxD Signal.................................. 11-211.3 Input Circuits for Sensors ...................................................................... 11-3
12. DISASSEMBLY AND ADJUSTMENT .......................................................... 12-112.1 Pickup Roller and Feed Roller ............................................................... 12-1
12.2 Separation Roller ................................................................................... 12-212.3 Reverse Solenoid .................................................................................. 12-312.4 Drive System ......................................................................................... 12-4
12.4.1 Fan motor .......................................................................................... 12-412.4.2 Read motor(MR-3011) ...................................................................... 12-512.4.3 Read motor(MR-3012) ...................................................................... 12-712.4.4 RADF open/close switch ................................................................... 12-812.4.5 Feed motor ........................................................................................ 12-912.4.6 Reverse motor ................................................................................... 12-1012.4.7 RADF open/close sensor .................................................................. 12-1012.4.8 PC board ........................................................................................... 12-10
12.4.9 Jam access cover switch ................................................................... 12-1012.4.10 Feed motor clock sensor .................................................................. 12-11
12.5 Tray sensor ............................................................................................ 12-1112.6 Empty Sensor, Registration Sensor, Original Width Sensor and
Original Length Sensor .......................................................................... 12-1212.7 Read Sensor.......................................................................................... 12-1312.8 Exit Sensor ............................................................................................ 12-1312.9 Reverse Sensor ..................................................................................... 12-1412.10 Adjustment of registration ...................................................................... 12-1512.11 Adjustment of original registration for reversing operation ..................... 12-1612.12 Adjustment of reverse solenoid ............................................................. 12-1712.13 Adjustment of RADF open/close switch ................................................. 12-18
12.14 Adjustment of RADF open/close sensor ................................................ 12-1912.15 Adjustment of image skew..................................................................... 12-2012.16 Adjustment of height (RADF)................................................................. 12-2112.17 Initialization of EEPROM and Adjustment of Sensors ........................... 12-2212.18 Attachment of Mylars ............................................................................. 12-23
13. SERVICE ..................................................................................................... 13-113.1 Troubleshooting for Mechanical Errors .................................................. 13-113.2 Troubleshooting for Electrical Errors ...................................................... 13-3
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iiiOctober 2000 TOSHIBA TEC MR-3011/3012 CONTENTS
14. ASSEMBLY OF PC BOARD ........................................................................ 14-1
15. PERIODIC MAINTENANCE ........................................................................ 15-1
16. CIRCUIT DIAGRAM / HARNESS DIAGRAM .............................................. 16-116.1 Circuit Diagram (MR-3011) .................................................................... 16-1
16.2 Circuit Diagram (MR-3012) .................................................................... 16-216.3 Control PC Board Circuit ....................................................................... 16-316.4 Harness Diagram (MR-3011)................................................................. 16-416.5 Harness Diagram (MR-3012)................................................................. 16-5
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1-1October 2000 TOSHIBA TEC MR-3011/3012 SPECIFICATION
1. SPECIFICATION
*Specification and appearance are subject to change without notice due to enhancedment of product quality.
Model NameCapacity of Original Feeding TrayFeed Speed
Acceptable Original Size
Power SourcePower ConsumptionDimensionsWeight
MR-3011/MR-3012Up to 100 sheetsMR-3011:
Approx.16 sheets/min. (A4 or Letter, feed widthwise) [DP1600]Approx.20 sheets/min. (A4 or Letter, feed widthwise) [DP2000]Approx.25 sheets/min. (A4 or Letter, feed widthwise) [DP2500]
MR-3012:Approx.35 sheets/min. (A4 or Letter, feed widthwise) [DP3500]Approx.45 sheets/min. (A4 or Letter, feed widthwise) [DP4500]
Smallest...A5-RLargest...A3Thickness...50g/m2~127g/m2 (13.3lb~33.8lb)Power supplied from the copier48WW557 D497.3 H165 (W22 inches D19.6 inches H6.5inches)Approx.13.6kg or 29.9lb
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2-1October 2000 TOSHIBA TEC MR-3011/3012 CONFIGURATION
2. CONFIGURATION
Electrical parts Empty sensor Original length sensor
Registration sensor Original width sensor Read sensor Reverse sensor Exit sensor
Tray sensor Feed motor Read motor Reverse motor Reverse solenoid RADF open/close sensor RADF open/close switch Jam access cover switch
PC board
Mechanical Jam access cover Pickup roller
Feed roller Separation roller Registration roller Read roller Reverse roller Exit roller Original feeding tray
Feeding/transportation section
Original feeding tray sectionDrive/control section
Feeding/transportation section
Original receiving tray
Original feeding tray
Drive/control section
Jam access cover
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3-1October 2000 TOSHIBA TEC MR-3011/3012 SECTIONAL VIEW
3. SECTIONAL VIEW AND DRIVE SYSTEM
3.1 Sectional View
Orig
ina
lw
idthsensor
Rea
d
sensor
3
Sma
llro
ller1
Flapp
erR
eg
istra
tionro
ller
Orig
ina
lle
ng
th
sensor
Reg
istra
tionsensor
Separat
ionro
ller
Fee
dro
ller
Emp
tylever
Pickupro
ller
Traysensor
Reversegu
ide
Reversero
ller
Ex
itro
ller
Ex
itsensor
Sma
llro
ller2
Sma
llro
ller3
Sma
llro
ller4
Rea
dro
ller
Reversesensor
Revers
eflapper
Ex
itflapper
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3-2October 2000 TOSHIBA TEC MR-3011/3012 SECTIONAL VIEW
3.2 Drive System(1) Feed motor rotating clockwise (as seen from the front side)
(2) Feed motor rotating counterclockwise (as seen from the front side)
One-way clutch (locked)
Spring clutch(Stops the drive for the clutch when thepickup roller reaches its upper limit position)
Pickup roller (lifted up)
Front side
Rear side
Feed motor
Motor rotating clockwise to transport original
Motor rotating counterclockwise to transport original
One-way clutch (slipped)Pickup roller (Down)
Front side
Rear side
Feed motor
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3-3October 2000 TOSHIBA TEC MR-3011/3012 SECTIONAL VIEW
(3) Read motor rotating clockwise (as seen from the front side)
(4) Read motor rotating counterclockwise (as seen from the front side)
Transportation, scanning and original exit(read motor rotating clockwise)
Read roller
One-way gear
Exit roller
Reverse roller
Reverse motor rotating clockwiseto carry original to the reverse path.
Read motor
Reverse motor
Rear side
Front side
Read motor rotating counterclockwiseto transport mixed sized originals.
Read roller
One-way gear
Exit roller
Reverse roller
Reverse motor rotating counterclockwisefor back side registration and original discharge.
Read motor
Reverse motor
Rear side
Front side
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4-1October 2000 TOSHIBA TEC MR-3011/3012 SYMBOLS
4. SYMBOLS AND LAYOUT OF ELECTRICAL PARTS / DIAGRAMOF SIGNAL BLOCKS
4.1 Symbols(1) Motors
(2) Solenoid
Remarks
Pulse motor
Pulse motor
DC motor
Fan motor
Function
Drives transportation roller and exit roller
Drives reverse roller
Drives pickup roller, feed roller and registrationroller
Cools down read motor
Name
RDMOT(Read motor)
RVMOT(Reverse motor)
FMOT(Feed motor)
FAN(Fan motor)
Symbol
RDMOT
RVMOT
FMOT
FAN
RemarksDC solenoid
FunctionSwitches flapper
NameRSOL(Reverse solenoid)
Symbol
RSOL
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4-2October 2000 TOSHIBA TEC MR-3011/3012 SYMBOLS
(3) Switches and Sensors
FunctionSwitch to detect if jam access cover for feedingunit is opened/closedSwitch to detect if RADF unit is opened/closed
Sensor to detect original on original tray
Sensor to detect original at registration position
Sensor to deteat original at exit area
Original width detection sensor 1
Original width detection sensor 2
Original width detection sensor 3
Sensor to detect length of original on originaltraySensor to detect if RADF unit is opened/closed
Detection sensor for feed motor clock
Sensor to detect length of original
Sensor to detect leading edge of original atscanning positionSensor to detect original at reverse position
RemarksMicroswitch
Microswitch
Semiconductive
optical sensorSemiconductiveoptical sensorSemiconductiveoptical sensorSemiconductiveoptical sensorSemiconductiveoptical sensorSemiconductiveoptical sensorSemiconductiveoptical sensorSemiconductive
optical sensorSemiconductiveoptical sensorSemiconductiveoptical sensorSemiconductiveoptical sensorSemiconductiveoptical sensor
NameJAM-SW(Jam access cover switch)RADF-OPN-SW(RADF open/close switch)EMP-SNS
(Empty sensor)REG-SNS(Registration sensor)EXIT-SNS(Exit sensor)SIZE-SNS 1(Original width sensor 1)SIZE-SNS 2(Original width sensor 2)SIZE-SNS 3(Original width sensor 3)TRY-SNS(Tray sensor)RADF-OPN-SNS
(RADF open/close sensor)MCLK-SNS(Feed motor clock sensor)LENG-SNS(Original length sensor)Read-SNS(Read sensor)RVR-SNS(Reverse sensor)
Symbol
JAMSW
OPNSW
EMPS
REGS
EXITS
SIZES1
SIZES2
SIZES3
TRYS
OPNSN
MCLK
LENGS
READS
RVRS
(4) PC board
Function
Drives feeding and transportation
RemarksName
PWA-LGC-RADF(PC board)
Symbol
PWA-DF
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4-3October 2000 TOSHIBA TEC MR-3011/3012 SYMBOLS
4.2 Layout of Electrical Parts
RDMOT Read motor
RVMOT Reverse motorFMOT Feed motorFAN Fan motorRSOL Reverse solenoidJAMSW Jam access cover switchOPNSW RADF open/close switchEMPS Empty sensorREGS Registration sensorEXITS Exit sensorSIZE 1 Original width sensor 1SIZE 2 Original width sensor 2SIZE 3 Original width sensor 3TRYS Tray sensorOPNS RADF open/close sensor
MCLK Feed motor clock sensorLENGS Orignal length sensorREADS Read sensorRVRS Reverse sensor
MCLK
JAMSW
OPNSW
FMOT
RVMOT
EMPS
SIZES1
OPNS
SIZES3
SIZES2
RSOL
TRYS
REGS
EXITS
RDMOT
FAN
READS
RVRS
LENGS
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4-4October 2000 TOSHIBA TEC MR-3011/3012 SYMBOLS
4.3 Diagram of Signal Blocks
JAMSWJAM-SW
OPNSWRADF-OPN-SW
EMPSEMP-SNS
REGSREG-SNS
EXITSEXIT-SNSSIZES1SIZE-SNS1
SIZES2SIZE-SNS2
SIZES3SIZE-SNS3
TRYSTRY-SNS
OPNSRADF-OPN-SNS
MCLKMCLK-SNS
LENGSLENG-SNS
READSREAD-SNS
RVRSRVR-SNS
PWA-LGC-F513
Sensorinputcircuit
RADF (Reversing Automatic Document Feeder)
ACK
VARID
EMPTY
RxD
SGND
TxD
SGNDDF-ACK
DF-REQ
REQ
RADFCNT
Commu-nication
circuit
Irruptivecurrentcontrolcircuit
DC+24V
DC+24V
(Supplied from copier)
(Supplied from copier)P+5V
P+5V
(Supplied from copier)DC+5V
DC+5V
*1
Driver
RVMOT RVMOT
RDMOT RDMOT
FMOT FMOTDriver
CPU FANDriver FAN
RSOLDriver RSOL
EEPROM
ROM
*1 Available only for MR-3011
PPC (copier)
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4-5October 2000 TOSHIBA TEC MR-3011/3012 SYMBOLS
4.4 Description of Interface Signals
The following 6 lines are used to send/receive signals between the copier and the RADF.REQ .............Communication request signal (from copier to RADF)DF-REQ ....... Communication request signal (from RADF to copier)DF-ACK........ Response signal for communication request signal (from RADF to copier)ACK .............. Response signal for communication request signal (from copier to RADF)TxD ..............Data sent from copier to RADF
RxD ..............Data sent from RADF to copier
Data communication (RxD and TxD) between the scanner and RADF has adopted the serial communicationsystem which does not allow checking using testing devices to see whether the signals are sent/receivedproperly in the field.
RxD
RADF Copier
ACK
DF-REQ
TxD
DF-ACK
REQ
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5-1October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
5. DESCRIPTION OF OPERATIONS
5.1 Single Side Feeding(A4, registration ratio 100%)
(1) Setting original
The original is set on the tray and the empty sensor is turned ON.The original set signal becomes ON.
(2) Start of pre-feeding operation Completion of pre-feeding operation
A feed signal is sent from the main unit, and the feed motor rotates the pickup roller and feed motor to startfeeding the original (pre-feeding operation).
(3) Start of feeding operation Original length sensor OFF
The feed motor starts to rotate in reverse and the read motor rotates forward to rotate the registration roller andthe read roller while the original is waiting in front of the registration roller and read roller starts to be transported.The feed motor is stopped after the original length sensor is turned OFF.
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5-2October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(4) Original length sensor OFF Completion of sending operation
If the next original is waiting in the tray, the pickup roller is lowered after the feed motor which has started torotate forward rotates for a certain number of pulses. (The pickup roller waits for the next pre-feeding operation inthat lowered position.)The read motor rotates for a certain number of pulses and stops after the read sensor is turned ON. (The leadingedge of the original reaches the pre-scanning position.)
(5) Start of scanning operation Start of pre-feeding operation for next original
The original transport signal is sent from the main unit, and the read motor starts to rotate forward. The readroller and exit roller are rotated to start scanning the original. The feed motor rotates the pickup roller and feed
roller after the trailing edge of the original has passed the registration roller to start the pre-feeding operation forthe next original.
(6) Start of pre-feeding operation for next original Completion of pre-feeding operation
After the registration sensor has detected the leading edge of the original. The feed motor transports the originalfor a certain number of pulses, performs registration and stops.
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5-3October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(7) Start of feeding operation for next original Completion of scanning operation
The feed motor starts to rotate in reverse, it rotates the registration roller to feed the next original waiting in frontof the registration roller and read roller.The original set signal is reset when the empty sensor is turned OFF. The feed motor is stopped after the originallength sensor is turned OFF.The scanning operation is completed when the trailing edge of the original being scanned has passed thescanning position.
(8) Completion of scanning operation Completion of feeding operation for next original
The read motor rotates for a certain number of pulses and stops after the read sensor is turned ON.
(The leading edge of the next original reaches the pre-scanning position.)
(9) Start of scanning operation for next original Completion of original discharge
The read motor starts to rotate forward, it rotates the read roller and exit roller to start scanning the next original.Original discharge is completed when the trailing edge of the original has passed the exit roller.
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5-4October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(10)Completion of scanning operation for next original
Scanning is completed when the trailing edge of the next original has passed the scanning position and theoriginal is carried toward the receiving tray.
(11)Exit sensor OFF (next original)
After the exit sensor is turned OFF, the feed motor rotates for a certain number of pulses till the original iscompletely discharged.
(12)Completion of original discharge (next original)
The read motor is stopped when the next original is completely discharged into the receiving tray.
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5-5October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
5.2 Duplex Feeding(A4, reproduction ratio 100%)
(1) Setting original
The original is set on the tray and the empty sensor is turned ON.The original set signal becomes ON.
(2) Start of pre-feeding operation Completion of pre-feeding operation
A feed signal is sent from the main unit, and the feed motor starts to rotate forward and rotates the pickup roller
and feed roller to start the pre-feeding operation. After the registration sensor detected the leading edge of theoriginal, the feed motor transports the original for a certain number of pulses, performs registration and stops.
(3) Start of feeding operation Original length sensor OFF
The feed motor starts to rotate in reverse and the read motor starts to rotate forward to start feeding the originalwaiting in front of the registration roller and the read roller. The feed motor is stopped after the original lengthsensor is turned OFF.
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5-6October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(4) Original length sensor OFF Completion of feeding operation
If the next original is waiting on the tray, the pickup roller is lowered after the feed motor started to rotate forwardrotates for a cer tain number of pulse. (The pickup roller waits for next pre-feeding operation in that loweredposition.)The read motor rotates for a certain number of pulses and stops after the read sensor is turned ON. (The leadingedge of the original reaches the pre-front side scanning position.)
(5) Start of front side scanning operation Start of pre-feeding operation for next original
An original transport signal is sent from the main unit, and the read motor and reverse motor start to rotateforward. The read roller, exit roller and reverse roller are then rotated. The reverse flapper is switched toward the
reverse position by turning ON the reverse solenoid and the front side of the original, starts to be scanned.The feed motor rotates the pickup roller and feed roller after the trailing edge of the original has passed theregistration roller, to start the pre-feeding operation for the next original.
(6) Start of pre-feeding operation for next original Completion of pre-feeding operation Completion of front-side scanning operation
After the registration sensor has detected the leading edge of the next original, the feed motor transports theoriginal for a certain number of pulses, performs registration and stops. Scanning of the front side of original iscompleted when the trailing edge of the original being scanned has passed the scanning position.
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5-7October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(7) Completion of transport operation for front side of original (original paused at reverse position)
The read motor and reverse motor are stopped after the reverse sensor is turned OFF to complete transporta-tion of the front side of the original.
(8) Start of back side registration operation Completion of registration
The reverse motor starts to rotate in reverse and rotates the reverse roller in reverse to start the registrationoperation for the back side of the original pausing at the reverse position.After the reverse sensor has detected the trailing edge of the original, the feed motor transports the original for acertain number of pulses, performs registration and stops.
(9) Start of reverse feeding operation Completion of reverse feeding operation
The read motor star ts to rotate forward and the reverse motor starts to rotate in reverse. The read roller, exitroller and reverse roller are rotated to start the reverse feeding operation for the original waiting at the back sideregistration position. The read motor and reverse motor rotate for a certain number of pulses and stop after theread sensor is turned ON. (The leading edge of the original reaches the pre-back side scanning position.)
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5-8October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(10)Start of back side scanning operation Original passing reverse position
An original transport signal is sent from the main unit, and the read motor starts to rotate forward and reversemotor starts its reverse rotation activated by read rotate in reverse to rotate the read roller, exit roller and reverseroller. The reverse flapper is switched toward the reverse position by turning ON the reverse solenoid to startscanning the back side of the original.The reversal motor rotates for a certain number of pulses and stops after the trailing edge of the original haspassed the reverse roller.
(11)Original passing reverse position Completion of back side scanning operation
The reversal motor starts to rotate forward and rotates the reverse roller to be ready for the leading edge of the
original to come into the reverse position.The scanning operation for the back side of the original is completed when the trailing edge of the original haspassed the scanning position.
(12)Completion of transport operation for back side of original (original paused at reverse position)
The read motor and reverse motor are stopped after the reverse sensor is turned OFF to complete transporta-tion of the back side of the original.The reverse flapper is switched to the exit side by turning OFF the reverse solenoid.
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5-9October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(13)Start of reverse discharge Start of feeding operation for next original Original length sensor OFF
The read motor star ts to rotate forward and the reverse motor starts to rotate in reverse. The read roller, exitroller and reverse roller are rotated to start reverse discharge of the original paused at the reverse position. Thefeed motor rotates for a certain number of pulses after the reverse sensor is turned ON. It then starts to rotate inreverse to rotate the registration roller, and starts the feeding operation for the next original waiting in front of theread roller and registration roller.The original set signal is reset when the empty sensor is turned OFF.The reverse motor is stopped after the reverse sensor is turned OFF.The feed motor is stopped after the original length sensor is turned OFF.
(14)Original length sensor OFF Completion of feeding operation for next original
The read motor rotates for a certain number of pulses and stops after the read sensor is turned ON. (The leadingedge of the next original reaches the pre-scanning position for front side of original.)
(15)Start of front side scanning operation pre-scanning position for front side of original Completion ofreverse discharge operation
The read motor and reverse motor start to rotate forward to rotate the read roller, exit roller and reverse roller.The reverse flapper is switched toward the reverse position by turning ON the reverse solenoid to start thescanning of the front side of next original.The reverse discharge operation is completed when the trailing edge of the original has passed the exit roller.
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5-10October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(16)Completion of front side scanning operation
The scanning operation for the front side of the original is completed when the trailing edge of next original haspassed the scanning position.
(17)Completion of transport operation for the front side of next original (original paused at reverse position)
The read motor and reverse motor are stopped when the reverse sensor is turned OFF to complete the transportoperation for the front side of the original.
(18)Start of back side registration Completion of back side registration
The reverse motor starts to rotate in reverse and the reverse roller rotates in reverse to start the registration of
the next original paused at the reverse position.After the reverse sensor has detected the leading edge of the original, the reverse motor transports the originalfor a certain number of pulses, performs registration and stops.
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5-11October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(19)Start of reverse feeding operation for next original Completion of reverse feeding operation
The read motor star ts to rotate forward and the revese motor star ts to rotate in reverse. The read roller, exit rollerand reverse roller are rotated to start the reverse feeding operation for the next original waiting at the back sideregistration position. The read motor and reverse motor rotate for a certain number of pulses and stop after theread sensor has been turned ON.(The leading edge of next original reaches the pre-scanning position for the back side of the original.)
(20)Start of back side scanning operation Original passing reverse position
The read motor starts to rotate forward and the reverse motor starts to rotate in reverse to rotate the read roller,exit roller and reverse roller. The reverse flapper is switched toward the reverse position by turning ON the
reverse solenoid to start scanning the back side of the next original.The reverse motor rotates for a certain number of pulses and stops after the trailing edge of the next original haspassed the reverse roller.
(21)Next original passing reverse position Completion of back side scanning
The reverse motor starts to rotate forward and the reverse roller is rotated to be ready for the leading edge of thenext original to come into the reverse position.The scanning of the back side of the original is completed when the trailing edge of the next original has passedthe scanning position.
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5-12October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(22)Completion of transport operation for back side of next original (original paused at reverse position)
The read motor and reverse motor stop after the reverse sensor is turned OFF to complete transportation of theback side of the original. The reverse flapper is switched to the exit side by turning OFF the reverse solenoid.
(23)Start of reverse discharge operation of next original Start of feeding operation for next original Originallength sensor OFF
The read motor star ts to rotate forward and the reverse motor starts to rotate in reverse. The read roller, exitroller and reverse roller are rotated to start the reverse discharge of the next original paused at the reverseposition. The reverse motor stops after the reverse sensor has been turned OFF.
(24)Exit sensor OFF
After the exit sensor has been turned OFF, read motor rotates for a certain number of pulses till the next originalhas completely discharge.
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5-13October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(25)Completion of reverse discharge operation for next original
The read motor is stopped when the next original is completely discharged into the original receiving tray toterminate the reverse discharge operation.
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5-14October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
5.3 Single Side Feeding (for Mixed Sized Originals)(Mixture of A4-R and FOLIO (LTR/LG), reproduction ratio 100%)
(1) Setting original
An original is set on the tray and the empty sensor is turned ON.The original set signal becomes ON.
(2) Start of pre-feeding operation Completion of pre-feeding operation
The feed signal is sent from the main unit, and the feed motor starts to rotate forward. The pickup roller and feedroller are rotated to start the pre-feeding operation. After the registration sensor has detected the leading edge of
the original, the feed motor transports the original for a certain number of pulses, performs registration andstops.
(3) Start of feeding operation Completion of feeding operation
The feed motor starts to rotate in reverse and the read motor starts to rotate forward. The registration roller andread roller, exit roller are rotated to start feeding the original waiting in front of the registration roller and readroller.The feed motor stops and the read motor rotates for a certain number of pulses and stops when the read sensoris turned ON. (The leading edge of the original reaches the pre-scanning position)
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5-15October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(4) Start of transport operation Original length sensor OFF
The read motor starts to rotate forward and rotates the read roller and exit roller to start transportation of theoriginal paused at the scanning position. (The original is transported to determine its lengthwise size along thefeeding direction.)
(5) Original length sensor OFF Completion of downswing operation of pickup roller
The pickup roller is lowered after the feed motor has started to rotate forward and has rotated for a certainnumber of pulses. (The pickup roller waits for the next pre-feeding operation in the lowered position.)
(6) Completion of downswing operation of pickup roller Pre-reverse position for mixed sized original
The read motor rotates for a certain number of pulse and stops after the original length sensor has been turnedOFF. (The trailing edge of the original reaches the pre-reverse position.)
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5-16October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(7) Start of reverse operation for mixed sized originals Completion of reverse operation
The gate for the reverse path is switched after a certain period of time. The read motor starts to rotate in reverseand rotates the read roller and exit roller in reverse to start the reverse operation.The read motor rotates for a certain number of pulses and stops after the read sensor has been turned OFF.
(8) Start of transportation Completion of transportation
The read motor starts to rotate forward and rotates the read roller and exit roller to start the transportation of theoriginal to the pre-scanning position.The read motor rotates for a certain number of pulses and stops after the read sensor has been turned ON. (Theleading edge of the original reaches the pre-scanning position.)
(9) Start of scanning operation Start of pre-feeding operation for next original Completion of pre-feedingoperation
A transport signal is sent from the main unit, and the read motor starts to rotate forward. The read roller and exitroller is rotated to start scanning the original. The feed motor rotates pickup roller and feed roller to start the pre-feeding operation for the next original.After the registration sensor has detected the leading edge of the original, the feed motor transports the originalfor a certain number of pulses, performs registration and stops.
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5-17October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(10)Completion of scanning operation
Scanning is completed when the trailing edge of the original has passed the scanning position.
(11)Exit sensor OFF Start of feeding operation for next original
The feed motor starts to rotate in reverse after the exit sensor has been turned OFF and rotates the registrationroller to start feeding the next original waiting in front of the registration roller and read roller.The original discharge operation is completed when the trailing edge of the original has passed the exit roller.
(12)Completion of feeding operation for next original
The feed motor stops and the read motor rotates for a certain number of pulses and stops when the read sensor
has been turned ON. (The leading edge of the next original reaches the pre-scanning position.)
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5-18October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(13)Start of transportation of next original Original length sensor OFF
The read motor starts to rotate forward and rotates the read roller and exit roller to transport the next originalpaused at the scanning position.(The original is transported to determine its lengthwise size along the feeding direction.)The original set signal is reset when the empty sensor is turned OFF.
(14)Original length sensor OFF (for next original) Pre-reverse position for mixed sized originals
The read motor rotates for a certain number of pulses and stops after the original length sensor has been turnedOFF. (The trailing edge of the next original reaches the pre-reverse position.)
(15)Start of reverse operation for the next mixed sized original Completion of reverse operation
The gate for the reverse path is switched after a certain period of time. The read motor starts to rotate in reverseand rotates the read roller and exit roller in reverse to start the reverse operation.The read motor rotates for a certain number of pulses and stops after the read sensor has been turned OFF.
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5-19October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(16)Start of transportation of next original Completion of transportation
The read motor starts to rotate forward and rotates the read roller and exit roller to start the transportation of thenext original to the pre-scanning position.The read motor rotates for a certain number of pulses and stops after the read sensor has been turned ON. (Theleading edge of the next original reaches the pre-scanning position.)
(17)Start of scanning operation for next original
A transport signal is sent from the main unit and the read motor starts to rotate forward. The read roller and exitroller is rotated to start scanning the next original.
(18)Completion of scanning operation for next original
Scanning is completed when the trailing edge of the next original has passed the scanning position.
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5-20October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF OPERATION
(19)Exit sensor OFF Completion of discharge operation for next original
After the exit sensor has been turned OFF, the read motor rotates for a certain number of pulses till the nextoriginal is completely discharge into the tray. The read motor is stopped when the next original is completelydischarge into the receiving tray to complete the original discharge operation.None: (Duplex feeding of mixed-sized originals)
The reverse mechanism detects the size of the mixed-sized originals consisting of A4-R/FOLIO or LT-R/LG, then the scanning operation is started.
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6-1October 2000 TOSHIBA TEC MR-3011/3012 JAMMING
6. JAMMING
6.1 Feeding Jam(1) Original not reaching registration sensor
Jam detection:Jam detection is performed after the feed motor starts to rotate forward to start the pre-feeding operation,until the leading edge of the original has reaches the registration sensor.
Jam timer settingThe setting value of thrice the amount of time after the original turns on the empty sensor till it reaches theregistration sensor is set for the jam timer.
6.2 Transport Jam(1) Original jamming at registration sensor
Jam detection for single-sided/duplex originals:Jam detection is performed after the read motor starts to rotate forward to start scanning the front side ofthe original, until the trailing edge of the original has passed the registration sensor.
Jam pulse setting[In the normal mode]Assume that the longest original (LD) is at the pre-scanning position. The setting value of an added+30mm to the distance till the trailing edge of the original has passed the registration sensor is set as thejam pulse.
[In the length is irregularly long mode]Assume then the longest original (original length approx. 1m) is at the pre-scanning position. The settingvalue of an added +50mm to the distance till the trailing edge of the original has passed the registrationsensor is set as the jam pulse.
(2) Original not reaching read sensor (1) Jam detection for single-sided/duplex originals:
Jam detection is performed after the leading edge of the original reaches the first small roller of the readroller during the pre-feeding operation, until it has reached the read sensor.
Jam pulse settingThe setting value of an added +60mm to the distance from the first small roller of the read roller to theposition where the read sensor is turned ON is set as the jam pulse.
(3) Original not reaching read sensor (2) Jam detection for duplex originals:
Jam detection is performed after the read motor starts to rotate forward to start switchback feeding, untilthe leading edge of the original has reached the read sensor.
Jam pulse settingThe setting value of an added +30mm to the distance from the back side registration position (= theposition where the 4th small roller of the read sensor is located) till the read sensor is turned ON is set asthe jam pulse.
(4) Original jamming at read sensor (1) Jam detection for single-sided/duplex originals:
Jam detection is performed after the trailing edge of the original has passed the registration sensor duringthe pre-feeding operation, until it has passed the read sensor.
Jam pulse setting
The setting value of an added +30mm to the distance from the position where the registration sensor isturned OFF till the read sensor is turned OFF is set as the jam pulse.
(5) Original jamming at read sensor (2) Jam detection for duplex originals:
Jam detection is performed after the original waiting at the back side registration position reaches the readsensor during the reverse feeding operation, until the trailing edge of the original has passed the readsensor during scanning.
Jam pulse settingThe setting value of an added +30mm to the distance till the longest original (LD) passes the read sensoris set as the jam pulse.
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6-2October 2000 TOSHIBA TEC MR-3011/3012 JAMMING
(6) Original not reaching exit sensor (1) Jam detection for single-sided/duplex originals:
Jam detection is performed after the read motor starts to rotate forward to start scanning the originalwaiting at the pre-front side scanning position, until the leading edge of the original has reached the exitsensor.
Jam pulse settingThe setting value of an added +30mm to the distance from the pre-scanning position till the exit sensor isturned ON is set as the jam pulse.
(7) Original not reaching reverse sensor (1) Jam detection for duplex originals:
Jam detection is performed after the read motor starts to rotate forward to start scanning the front side ofthe original, until the leading edge of the original has reached the reverse sensor.
Jam pulse settingThe setting value of an added +30mm to the distance from the pre-scanning position till the reverse sensoris turned ON is set as the jam pulse.
6.3 Exit Jam(1) Original jamming at exit sensor (1)
Jam detection for duplex originals:Jam detection is performed after the trailing edge of original paused at the reverse position has passed the
reverse sensor during the reverse operation, until it has passed the exit sensor. Jam pulse setting
The setting value of an added +60mm to the distance from the position where the reverse sensor is turnedOFF till the exit sensor is turned OFF is set as the jam pulse.
(2) Original jamming at exit sensor (2) Jam detection for single-sided/duplex originals:
Jam detection is performed after the trailing edge of the original waiting at the pre-front side scanningposition has passed the read sensor during the scanning operation, until it has passed the exit sensor.
Jam pulse settingThe setting value of an added +60mm to the distance from the position where the read sensor is turnedOFF till the exit sensor is turned OFF is set as the jam pulse.
6.4 Reversing Jam(1) Original not reaching exit sensor (2) Jam detection for duplex originals:
Jam detection is performed after the leading edge of the original paused at the reverse position hasreached the reverse sensor during the reverse discharge operation, until it has reached the exit sensor.
Jam pulse settingThe setting value of an added +30mm to the distance from the position where the reverse sensor is turnedON till the exit sensor is turned ON is set as the jam pulse.
(2) Original not reaching reverse sensor (2) Jam detection for duplex originals:
Jam detection is performed after reverse motor starts rotating in reverse to start the reverse operation forthe original paused at the reverse position, until the leading edge of the original has reached the reversesensor.
Jam pulse settingThe setting value of an added +30mm to the distance from the pre-reverse position till the reverse sensoris turned ON is set as the jam pulse.
(3) Original jamming at reverse sensor (1) Jam detection for duplex originals:
Jam detection is performed after the trailing edge of the original being scanned has passed the readsensor, until it has passed the reverse sensor.
Jam pulse settingThe setting value of an added +30mm to the distance from the position where the read sensor is turnedOFF till the reverse sensor is turned OFF is set as the jam pulse.
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6-3October 2000 TOSHIBA TEC MR-3011/3012 JAMMING
(4) Original jamming at reverse sensor (2) Jam detection for duplex originals:
Jam detection is performed after the leading edge of the original paused at the reverse position hasreached the reverse sensor during the reverse discharge operation, until the trailing edge of the originalhas passed the reverse sensor.
Jam pulse settingThe setting value of an added +30mm to the distance till the longest original (LD) passes the reversesensor is set as the jam pulse.
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7-1October 2000 TOSHIBA TEC MR-3011/3012 SIZE DETECTION
7. ORIGINAL SIZE DETECTION
Original size is detected when it is sent out of the tray, and informed (unit:mm) to the copier before the start ofthe scanning of the original.
7.1 Method of Original Size Detection (for Standard Sized Originals)1) Width
When the original waiting at the pre-feeding position has started to be fed and its leading edge reaches thefirst small roller of the read roller, its width of the original is detected using the original width sensors 1 and 3and the size data are saved in EPROM.
2) Size along feeding directionWhen the trailing edge of the original (original size: LT of smaller) is detected by the original length sensorbefore the read sensor detects the leading edge of the original, or when the original length sensor hasalready detected the original (original size: B5-R or larger) when the read sensor detects the leading edge ofthe original, the original size along the feeding direction is assumed with the width size data saved inEPROM, then the size data are sent to the copier. At this time, the date for the size along the feedingdirection are sent first.With an original whose length is irregularly long, if the size along the feeding direction is not determined bythe scanning operation is started, the read motor counts the of distance pulses after the scanning operationis started till the trailing edge of the original is detected by original length sensor. Then the motor sends themeasured value to the copier.
Original size: LT or smaller
1) Timing to determine width
2) Timing to determine size along feeding direction
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7-2October 2000 TOSHIBA TEC MR-3011/3012 SIZE DETECTION
Size: B5-R or larger
1) Timing to determine width
2) Timing to determine size along feeding direction
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7-3October 2000 TOSHIBA TEC MR-3011/3012 SIZE DETECTION
7.2 Relation between Status of Sensor and Original Size (for Standard SizedOriginals)
[For JE](mm)
[For UC](mm)
Originalwidth
sensor 1
OFFOFFOFFOFFOFFOFFOFFONON
Originalwidth
sensor 2
OFFOFFOFFOFFOFFONON
ON/OFFON/OFF
Originalwidth
sensor 3
OFFOFFONONON
ON/OFFON/OFFON/OFFON/OFF
Tray
sensor
ON/OFFON/OFFON/OFF
OFFON
ON/OFFON/OFFON/OFFON/OFF
Original length
sensor
OFFONOFFONONOFFONOFFON
Original sizedata
(Widthwisedirection)148182297210210257257297297
Original sizedata
(Feedingdirection)210257210297330182364210420
Originalsize
detected
A5RB5RA4
A4RFOLIO
B5B4A4A3
Originalwidth
sensor 1
OFFOFFOFFOFFOFFOFFOFFONON
Originalwidth
sensor 2
OFFOFFOFFOFFOFFONON
ON/OFFON/OFF
Originalwidth
sensor 3
OFFOFFONONON
ON/OFFON/OFFON/OFFON/OFF
Traysensor
ON/OFFON/OFFON/OFF
OFFON
ON/OFFON/OFFON/OFFON/OFF
Original length
sensor
OFFONOFFONONOFFONOFFON
Original sizedata
(Widthwisedirection)
140280216216216280258280280
Original sizedata
(Feedingdirection)
216432216280356216356216432
Originalsize
detected
STRLD
8.5 8.5LTRLGLT
COMPUTER
LTLD
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7-4October 2000 TOSHIBA TEC MR-3011/3012 SIZE DETECTION
7.3 Method of Original Size Detection (for Mixed Sized Original)1) Width
Width is detected by original width sensors 1,2 and 3 and the size data are saved when an original waitingat the pre-feeding position has started to be fed and its leading edge reaches the first small roller of the readroller.
2) Size along the feeding directionWith original whose width is any of 210mm/216mm, if the original length sensor has already detected theoriginal when the read sensor detects the leading edge of the original, reverse operation is performed to
determine the size along the feeding direction. The read motor counts the pulse of the distance pulses till theoriginal length sensor detects the trailing edge of the original. Original size is determined by the result ofcounting and threshold of size along the feeding direction, then size data are sent to the copier. At this time,data of the size along the feeding direction are sent first.The size along the feeding direction of B5-R or smaller originals is determined as with other standard sizedoriginals. (reverse operation is performed after the size is determined.)
1) Timing to determine the width
2) Timing to determine the size along the feeding direction
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7-5October 2000 TOSHIBA TEC MR-3011/3012 SIZE DETECTION
7.4 Relation between Status of Sensor and Original Size (for Mixed SizedOriginals)
[For JE](mm)
[For UC](mm)
Originalwidth
sensor 1
OFF
OFF
Originalwidth
sensor 2
OFF
OFF
Originalwidth
sensor 3
ON
ON
Traysensor
OFF
ON
Originallengthsensor
ON
ON
Original sizedata
(Widthwisedirection)
216
216
Original sizedata
(Feedingdirection)
280318356
Originalsize
detected
LTR
LG
Threshould size of feeding direction
Originalwidth
sensor 1
OFF
OFF
Originalwidth
sensor 2
OFF
OFF
Originalwidth
sensor 3
ON
ON
Tray
sensor
OFF
ON
Originallength
sensor
ON
ON
Original sizedata
(Widthwisedirection)
210
210
Original sizedata
(Feedingdirection)
297313.5330
Originalsize
detected
A4R
FOLIO
Threshould of size along feeding direction
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8-1October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8. FLOW CHART
8.1 Power ON Completion of Discharge for Last Original Carried Out
YES
NO
(Feeding Operation)
NO
YES
NO
YES
NO
YES
NO
YES
Standby
Standby
Jam
A
Power ON
completed?
Initialization
started
Initialization
H level?
Feed signal
ON?
Empty sensor
All sensors OFF?
Cover opened?
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8-2October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
NO
YES
(Scanningtwo sides of
original)
NO
YES
(Scanningone side
of original)
NO
YES
NO
NO
YES
YES
NO
YES
NO
YES
YES
NO
YES
NO
Transportsignal
H level?
Duplexmode signalH level?
possible?
Switchback
started?
Switchback
completed?Switchback
Mixedoriginal signal
H level?
Feedingoperation
completed?
Feedingoperation started
Ready for
feeding?
Separation
completed?
Separation
started
is on tray?
Original
E
C
B
D
A
Jam
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8-3October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
(Separation)
YES
YES
NO
NONO
NO
YES
YES
Last original
carried out?
Scanningcompleted?
Ready forseparation?
Next original
is on tray?
Scanning of oneside started
D
B
Standby
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8-4October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
NO
YES
YES
NO
(Feeding operation)
YES
YES
YES
NO
YES
NO
NO
NO
YES
NO
YES
NO
NO
NO
YES
YES
Last original
finished
Is there
a separated
original ?
Reverse discharge
started
Transport signal
H level?
Scanning of backside of original
started
Back side scanningcompleted?
Reverse
feeding completed?
Reverse feeding
started
Back sideregistrationcompleted?
Registration forback side of
original started
Separation
completed?
Separation
started
Scanning offront side
completed?
Ready for
separation?
Next original
is on tray?
Scanning offront side of
original started
Standby
E
C
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8-5October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.2 Initialization Control
NO
YES
YES
NO
NO
YES
YES
NO
YES
NO
YES
NO
NO
YES
Jam
Initializationcontrol
completed
Initialization
control
All sensorsOFF?
Exit sensor
ON?
Read sensor
ON?
Reverse sensorON?
Originalwidth sensor
ON?
Original length
sensor ON?
Registrationsensor ON?
Certain period
of time
Certain period
of time Read motor
stopped
Read motorrotates for a certainnumber of pulses
Read motor
forward rotation
Reverse motor
stopped
Reverse motorrotates for a certainnumber of pulses
Reverse motor
reverse rotation
Feed motor
stopped
Feed motor
braked
Feed motor rotatesfor a certain
number of pulses
Feed motor
reverse rotation
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8-6October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.3 Control for Operation of Pickup Roller
NO
YES
Control for pickup
roller operation
completed
Control
Feed motor
stopped
Certain period
of time
Feed motor
braked
Feed motor rotates
for a certain
number of pulses
Feed motor
forward rotation
Empty sensor
ON?
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8-7October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.4 Control for Feeding Operation
NO
YES
NO
YES
NO
NO
YES
YES
Control for feeding
operation completed
Feeding operation
control
Pickup roller
lowered
Feed motor
stopped
Certain periodof time
Read motor
stopped
Read motorrotates for a certainnumber of pulses
Read sensor
ON?
First page?
Read motor
forward rotation
Feed motor
braked
Original length
sensor OFF?
Feed motor
reverse rotation
Certain period
of time
Feed motor
braked
Feed motorrotates for a certainnumber of pulses
Feed motor
reverse rotation
Feed motor
stopped?
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8-8October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.5 Control for Separation
NO
YES
NO
YES
Control separation
completed
Control for
separation
Feed motor
stopped
Certain period
of time
Feed motor
braked
Feed motor rotates
for a certain
number of pulses
Registration
sensor ON?
Feed motor
forward rotation
Feed motor
stopped?
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8-9October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.6 Control for Switchback Operation
NO
YES
NO
YES
NO
YES
Control for
switchback
operation completed
Switchback
control
Read motor
stopped
Read motor rotates
for a certain
number of pulse
Read sensor
ON?
Read motor
forward rotation
Read motorstopped
Read motor
rotates for a certain
number of pulse
Certain period
of time
Read sensor
OFF?
Read motor
reverse rotation
Read motor
stopped
Read motor rotatesfor a certain
number of pulse
Original length
sensor OFF?
Read motorforward rotation
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8-10October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.7 Control for One Side Scanning
NO
YES
NO
YES
NO
YES
NO
YES
Control for oneside scanning
completed
One side scanningcontrol
Scanning
completed
Read motor rotatesfor a certain
number of pulses
Read sensor
OFF?
Scanning
started
Read motor rotatesfor a certain
number of pulses
Read motor
stopped
Read motor rotatesfor a certain
number of pulses
Exit sensor
OFF?
Last original?
Exit sensor
ON?
Read motor
forward rotation
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8-11October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.8 Control for Front Side Scanning
NO
YES
NO
YES
NO
YES
Control forfront side
scanning completed
Front side
scanning control
Read motor rotates
for a certain
number of pulses
Reverse sensor
ON?
Scanning
completed
Read motor rotates
for a certain
number of pulses
Read sensor
OFF?
Scanning
started
Read motor rotates
for a certain
number of pulses
Certain period
of time
Read motor
stopped
Reverse motor
stopped
Reverse motor
rotates for a certain
number of pulses
Reverse sensor
OFF?
Reverse motor
forward rotation?
Reverse solenoid
ON
Read motor
forward rotation
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8-12October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.9 Control for Reverse Feeding
NO
YES
Control for
reverse
feeding completed
Reverse
feeding control
Read motor
and reverse
motor stopped
Read motor and
reverse motor
rotate for a certain
number of pulses
Read sensor
ON?
Reverse motor
reverse rotation
Read motor
forward rotation
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8-13October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.10 Control for Back Side Registration
NO
YES
Control for back side
registration completed
Back side
registration command
Certain period
of time
Reverse motor
stopped
Reverse motor
rotates for a certain
number of pulses
Reverse sensor
ON?
Reverse motor
reverse rotation
-
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8-14October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.11 Control for Back Side Scanning
NO
YES
NO
YES
Control forback side scanning
completed
Control for
back side scanning
Scanning
completed
Read motor rotatesfor a certain
number of pulses
Read sensor
OFF?
Scanning
started
Read motorrotates for a certain
number of pulses
Certain period
of time
Reverse solenoid
OFF
Reverse motor
stopped
Reverse motorrotates for a certain
number of pulses
Read motor
stopped
Reverse sensorOFF?
Reverse motor
forward rotation
Reverse motor
stopped
Reverse motorrotates for a certain
number of pulses
Reverse motor
reverse rotation
Read motor
foward rotation
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8-15October 2000 TOSHIBA TEC MR-3011/3012 FLOW CHART
8.12 Control for Reverse Discharge
NO
YES
NO
YES
NO
YES
YES
NO
NO
YES
Control forreverse discharge
completed
Control for
reverse discharge
Read motor
stopped
Read motor
rotates for a certain
number of pulses
Exit sensor
OFF?
Last original?
Reverse motor
stopped
Reverse sensor
OFF?
Last original?
Feeding operation
started
Reverse motor
rotates for a certain
number of pulses
Reverse sensor
ON?
Read motor
forward rotation
Reverse motorreverse rotation
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9-1October 2000 TOSHIBA TEC MR-3011/3012 TIMING CHART
9. TIMING CHART
9.1 DP1600 Three A4 sheets single-side feeding
0.18
0.18
1.68
4.74
0.24
0.21
0.24
0.21
1.68
1.64
0
.45
0.10
2.97
0.55
0.55
4.71
0.08
0.080
.08
0.08
2.93
2.93
0.49
0.08
0.08
0.08
0.08
4.38
4.38
2.00
1.94
1.581
.58
1.58
1.48
1.48
2.94
2.23
1.73
0.74
0.49
0.17
4
.39
3.69
3.19
2.02
1.86
1.66
1.50
1.46
0.93
0.43
0.39
0.17
2.65
4.38
1.97
1.42
1.97
1.42
3.41
2.53
0.09
2.53
0.09
3.99
1.56
3.50
0.72
0.51
2.10
1.95
0.37
2.93
0.56
4.38
2.00
1.46
0.27
CCW(M)
CW(H)
Exposuretime
Exposuretime
CCW(H)
CW(L)
STOP
RDMOT
CCW(H)
CCW(L)
CW(L)
CW(H)
STOP
RVMOT
Exposuretime
OFF
ON
EMP-SNS
OFF
ON
EXIT-SNS
OFF
ON
RVR-SNS
OFF
ON
READ-SNS
OFF
ON
REG-SNS
OFF
ON
LENG-SNS
OFF
ON
RSOL
LHLH LHLHLHLHLH
0
0
SCN-STR
STOP
CCW(L)
CW(H)
CW(L)
FMOT
0
ORG-TR
ORG-FAC
PRE-FED
ORG-STP
DF-ACT
ORG-IN
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9-2October 2000 TOSHIBA TEC MR-3011/3012 TIMING CHART
9.2 DP1600 Two A4 sheets duplex feeding
2.9
3
2.5
5
2.4
5
2.9
3
0.9
5
2.4
6
0.9
5
1.6
8
1.6
9
1.0
5
0.9
5
0.6
6
4.5
0
2.8
0
1.4
4
2.8
4
1.5
4
1.0
5
0.9
5
0.6
6
4.0
4
2.0
2
2.0
2
1.0
5
0.9
5
0.6
6
4.50
2.8
4
2.8
0
1.5
4
1.4
4
1.0
5
0.9
5
0.6
6
3.2
8
2.4
8
1.0
3
2.8
02
.84
1.5
2
0.9
2
0.9
2
2.4
6
2.4
2
1.0
3
0.9
2
2.8
4
2.8
0
1.5
2
0.9
2
1.6
8
1.6
4
0.4
5
2.5
2
0.9
4
3.1
7
2.8
32.8
3
2.8
3
2.7
3
2.7
3
0.9
4
2.7
8
2.4
52.4
5
2.4
5
2.3
5
2.3
5
0.9
4
3.1
6
0.9
4
2.8
32.8
3
2.8
3
2.7
3
2.7
3
2.0
0
1.9
4
1.5
91.5
9
1.5
9
1.4
9
1.4
9
0
.10
2.3
6
2.0
8
1.5
8
2.1
9
1.9
4
1.6
6
1.5
01
.46
0.9
3
0.4
3
0.3
9
0.1
7
2.2
8
2.3
8
1.5
0
2.3
8
1.5
0
2.0
0
1.1
2
0.9
2
3.9
8
3.1
8
1.1
2
0.9
2
3.5
8
2.0
0
1.1
0
0.9
0
3.98
3.1
8
1.1
2
0.9
2
2.8
0
5.1
6
2.7
4
5.2
4
2.8
6
5.1
6
2.7
4
4.0
0
1.5
8
2.7
5
2.1
8
1.9
7
0.3
7
2.3
6
1.9
8
1.4
7
0
.27
Ex
posu
retime
Ex
posu
retime
Exp
osu
retime
Ex
posu
retime
0
0
0
0
0
CCW(M)
CW(M)
CCW(H)
CW(H)
CW(L)
STOP
RDMOT
CCW(M)
CCW(L)
CCW(H)
CW(L)
CW(H)
STOP
RVMOT
OFF
ON
EMP-SNS
OFF
ON
EXIT-SNS
OFF
ON
RVR-SNS
OFF
ON
READ-SNS
OFF
ON
REG-SNS
OFF
ON
LENG-SNS
OFF
ON
RSOL
LHLH LHLHLHLHLH
SCN-STR
STOP
CCW(L)
CW(H)
CW(L)
FMOT
ORG-TR
ORG-FAC
PRE-FED
ORG-STP
DF-ACT
ORG-IN
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9-3October 2000 TOSHIBA TEC MR-3011/3012 TIMING CHART
9.3 DP2500 Three A4 sheets single-side feeding
0.1
7
0.1
7
1.6
8
1.5
81
.58
2.1
7
0.0
7
1.7
8
3.4
7
0.0
7
0.0
70
.07
0.0
7
3.6
6
3.6
6
1.7
8
0.3
6
0.0
7
0.0
7
0.0
7
0
.10
3.6
6
3.6
6
1.8
8
1.9
2
1.5
8
1.4
8
1.4
8
3.4
7
0.1
4
0.1
2
0.1
4
0.1
2
1.6
8
1.6
4
0.4
5
3.2
3
1.4
2
1.0
6
1.4
2
1.0
6
2.96
1.8
5
0.0
4
1.8
5
0.0
4
3.3
8
1.5
6
0.5
4
0.5
1
0.3
7
2.0
5
1.8
9
0.3
7
2.1
4
3.6
2
1.9
3
1.4
6
0.2
7
2.1
2
1.6
1
1.0
9
0.5
2
0.3
4
0.1
4
3.6
8
3.6
3
3.1
1
2.6
2
2.0
2
1.8
6
1.6
6
1.5
0
1.4
6
0.9
3
0.4
3
0.3
9
0.1
7
0.4
1
1.9
4
Exposure
time
Exposure
time
Exposu
retime
0
0
0
CCW(M)
CW(H)
CCW(H)
CW(L)
STOP
RDMOT
CCW(H)
CCW(L)
CW(L)
CW(H)
STOP
RVMOT
OFF
ON
EMP-S
NS
OFF
ON
EXIT-S
NS
OFF
ON
RVR-S
NS
OFF
ON
READ-S
NS
OFF
ON
REG-S
NS
OFF
ON
LENG-S
NS
OFF
ON
RSOL
LHLH LHLHLHLHLH
SCN-S
TR
STOP
CCW(L)
CW(H)
CW(L)
FMOT
ORG-T
R
ORG-F
AC
PRE-F
ED
ORG-S
TP
DF-A
CT
ORG-I
N
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9-4October 2000 TOSHIBA TEC MR-3011/3012 TIMING CHART
9.4 DP2500 Two A4 sheets duplex feeding
1.8
4
0.8
6
0.7
6
0.4
8
2.6
5
3.9
2
2.7
0
1.3
82
.76
2.6
62.6
6
2.2
9
2.3
9
2.2
92.2
9
2.7
5
2.6
52.6
5
0.10
1.6
8
1.5
81.5
8
1.2
60
.86
0.7
6
0.4
8
3.4
6
0.7
4
2.3
1
1.6
8
0.7
4
1.8
4
0.8
6
0.7
6
0.4
8
3
.92
2.7
0
2.6
5
1.3
8
1.2
6
0.8
6
0.7
6
0.4
8
2.8
6
2.3
4
0.7
6
2.9
2
2.6
6
2.5
6
2.5
6
0.7
7
2.5
4
2.9
3
2.2
9
2.1
9
2.1
9
0.7
7
2.6
5
2.5
5
2.5
5
0.7
6
1.9
2
1.8
8
1.5
8
1.4
8
1.4
8
2.1
9
1.9
0
1.4
0
2.0
2
1.8
6
1.6
6
1.5
0
1.4
6
0.9
3
0.4
3
0.3
9
0.1
7
2.1
2
2.2
1
1.3
2
2.2
1
1.3
2
1.8
5
0.9
4
0.7
4
3.5
4
2.9
4
0.9
4
0.7
4
3.1
5
1.8
5
0.9
4
0.7
4
3.54
2.9
4
0.9
4
0.7
6
2.5
3
4.4
1
2.5
7
4.0
1
2.2
4
4.4
1
2.5
7
3.3
9
1.5
7
2.5
3
2.0
5
1.8
9
0.3
7
2.1
8
1.9
6
1.4
7
0
.27
2.3
4
0.9
0
0.7
6
2.6
5
0.7
7 1.3
8
2.7
0
2.3
1
2.2
6
0.9
0
0.7
6
2.7
0
2.6
5
1.3
8
0.7
7
1.6
8
1.6
4
0.4
5
Ex
posu
retime
Ex
posu
retime
Exp
osu
retime
Ex
posu
retime
0
0
0
0
0
CCW(M)
CW(H)
CCW(H)
CW(L)
STOP
RDMOT
CCW(H)
CCW(L)
CW(L)
CW(H)
STOP
RVMOT
OFF
ON
EMP-SNS
OFF
ON
EXIT-SNS
OFF
ON
RVR-SNS
OFF
ON
READ-SNS
OFF
ON
REG-SNS
OFF
ON
LENG-SNS
OFF
ON
RSOL
LHLH LHLHLHLHLH
SCN-STR
STOP
CCW(L)
CW(H)
CW(L)
FMOT
ORG-TR
ORG-FAC
PRE-FED
ORG-STP
DF-ACT
ORG-IN
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9-5October 2000 TOSHIBA TEC MR-3011/3012 TIMING CHART
9.5 DP3500/4500 Three A4 sheets single-side feeding
1.2
1
0.0
80.1
8
0.0
8
1.0
6
0
.02
1.0
6
1.9
7
1.1
2
0.0
80
.08
1.2
0
1.2
0
0.2
0
0.2
0
1.2
7
0.1
8
0.0
8
0.1
8
0.0
80.0
8
0.0
8
2.2
4
2.2
4
1.2
4
1.2
3
1.1
31.1
3
1.1
3
1.0
1
1.0
1
0
.10
1.1
7
0.8
7
0.6
0
0.4
2
0.1
8
0.1
5
2.2
3
1.9
3
1.6
6
1.4
3
1.2
4
1.2
1
1.0
5
1.0
1
0.7
0
0.4
3
0.3
9
0.1
7
1.9
7
0.1
0
0
.08
0.1
0
1.1
3
0.0
8
1.1
1
0.4
4
1.83
1.8
2
0.7
9
0.6
1
0.7
9
0.6
1
0.0
2
2.0
7
1.0
4
0.2
2
0.3
3
0.2
2
1.3
8
1.2
4
0.3
6
1.1
6
0.2
5
2.2
1
1.2
8
0.9
9
0.2
7
Exposure
time
Exposure
time
Exposure
time
0
0
0
CCW(H)
CW
STOP
RDMOT
CCW
CW(L)
CW(H)
STOP
RVMOT
OFF
ON
EMP-S
NS
OFF
ON
EXIT-S
NS
OFF
ON
RVR-S
NS
OFF
ON
READ-S
NS
OFF
ON
REG-S
NS
OFF
ON
LENG-S
NS
OFF
ON
RSOL
LHLH LHLHLHLHLH
SCN-S
TR
STOP
CCW(L)
CW(H)
CW(L)
FMOT
ORG-T
R
ORG-F
AC
PRE-F
ED
ORG-S
TP
DF-A
CT
ORG-I
N
-
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9-6October 2000 TOSHIBA TEC MR-3011/3012 TIMING CHART
9.6 DP3500/4500 Two A4 sheets duplex feeding
1.8
7
0.2
2
0.2
2
0.2
2
0.2
2
2.1
3
1.9
3
1.9
32.0
3
2.0
3
2.0
32
.03
2.6
8
0.3
8
0.3
8
2.0
3
1.7
8
1.7
3
1.6
3
1.5
3
1.5
31
.63
1.6
3
1.9
9
1.7
3
1.5
31
.531
.63
1.6
3
1.6
3
1.1
3
1.2
1
1.1
11.1
1
1.1
1
0.4
2
0.4
2
0.4
2
0.4
2
1.0
1
1.0
11
.24
1.7
5
2.1
5
1.2
7
1.7
5
2.1
2
0.5
5
0.4
2
1.6
3
1.5
8
0.8
3
0.4
1
2.0
3
2.0
1
0.5
5
0.4
2
1.5
81
.63
0.8
3
0.4
1
1.9
2
1.6
1
1.3
4
1.4
3
1.2
4
1.2
1
1.0
5
1.0
1
0.7
0
0.4
3
0.3
9
0.1
7
1.1
3
1.1
1
0.1
0 0.4
4
1.6
1
0.5
2
0.4
2
1.6
3
1.5
8
0.8
3
0.7
9
0.5
2
0.4
2
1.6
1
0.5
2
0.4
2
1.6
3
1.5
8
0.8
3
0.7
90
.52
0.4
2
1.9
9
0.9
8
1.9
9
0.9
8
1.5
9
1.5
7
0.5
7
0.3
8
2.1
1
1.7
6
0.5
7
0.3
8
2.4
9
1.5
7
0.5
7
0.3
8
2.1
1
1.7
6
0.5
7
0.3
8
2.5
9
1.5
1
2.9
8
1.9
5
2.5
9
1.5
1
2.0
7
1.0
4
2.1
3
1.3
8
1.2
4
0.3
6
1.9
0
1.3
2
0.9
9
0.2
7
Ex
posu
retime
Ex
posu
re
time
0
Ex
posu
retime
Ex
posu
retime
0
0
0
0
CCW(H)
CW
STOP
RDMOT
CCW
CW(L)
CW(H)
STOP
RVMOT
OFF
ON
EMP-S
NS
OFF
ON
EXIT-S
NS
OFF
ON
RVR-S
NS
OFF
ON
READ-S
NS
OFF
ON
REG-S
NS
OFF
ON
LENG-S
NS
OFF
ON
RSOL
LHLH LHLHLHLHLH
SCN-S
TR
STOP
CCW(L)
CW(H)
CW(L)
FMOT
ORG-T
R
ORG-F
AC
PRE-F
ED
ORG-S
TP
DF-A
CT
ORG-I
N
-
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10-1October 2000 TOSHIBA TEC MR-3011/3012 DESCRIPTION OF CIRCUITS
10. DESCRIPTION OF CIRCUITS
10.1 Input Circuits for Original Length Sensor, Read Sensor and ReverseSensor
Since original length sensor, read sensor and reverse sensor have almost the same circuit configurations (thereference voltage of comparator for read sensor input circuit can be set by D/A output), the input circuits for the
read sensor and reverse sensor are not described. The following is the input circuit for the original length sensor.
This circuit is an input circuit for the original length sensor and consists of a voltage-current conversion circuitwhich adjusts the amount of light of the infrared LED and the voltage comparison circuit which compares thevoltage output from a phototransistor (PTR) with a reference voltage and converts the output voltage into digitalsignals.The original length sensor is a mirror reflection sensor, and consists of a pair of emission elements (infraredLEDs) and a light receiving element (PTR). Both elements have a light axis running in the same direction. Thereis a mirror on the extended light axis of these elements. When there is no original between the elements and themirror, infrared light emitted from LED is reflected by PTR in high reflectance. If there is an original, light emis-sion to the mirror and reflected light from the mirror are blocked by the original, and the reflected light enteringPTR becomes extremely small.When a large amount of light is entering PTR (this means there is no original) the optical current flowing in thePTR is increased, and the voltage of IC3-10pin becomes higher due to a drop in voltage caused by R44. IC3 is acomparator which compares the reference voltage input to 11pin (non-reverse input terminal) with the signalvoltage of 10pin (reverse input terminal). If the voltage of 10pin is higher, the output level (IC3-10pin) is "L". Onthe contrary, when the amount of the incoming light is small (this means there is an original), the voltage of IC3-10pin is low and the level becomes "H". R16, C6 and C7 are noise filters. This circuit has an automatic sensitivityadjustment function to control the unevenness of the sensor sensitivity. Uneven sensor sensitivity is corrected bycontrolling the machine to have a constant PTR voltage when there is no original. The intensity of the infraredlight emitted from the LEDs is changed to adjust the PTR voltage.When the sensor sensitivity adjustment mode is selected, the PTR output voltage (analog value) is measured bythe A/D input terminals of the CPU (scanner side). The D/A output voltage of