Samsung SCX-5835FN Training Manual.pdf

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SCX-5835FN (Elbert-II)Training Manual

Aug. 2008

SCX-5835FN (Elbert-II)Training Manual

Aug. 2008

Mechanical- Technical

book Rev 0.1

Mechanical- Technical

book Rev 0.1

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I. General Specification

II. Process

III. Disassembly

IV. Troubleshooting

AgendaAgenda

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Ⅰ. General Specification

Ⅰ. Understanding the General specifications of SCX-5835FN

Ⅱ. Comprehension of the feature of major specs.

ObjectivesObjectives

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Overall Spec.Overall Spec.

Size (WDH)

Power Consumption

Noise

Feature

Printing mode

Power save mode

Printing/Copy

Standby

472x478x543mm

750 W

25 W

52/54 db

39 db

SCX-5835FN

Weight (Net) 22.2 kg


Power down mode 1 W

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PrintingPrinting

FPOT

Printer Type

Power save Mode

Standby Mode

Warm up Time (Cold start)

Simplex : 33 ppm (A4) / 35ppm (LTR)Duplex : 17 ipm (A4) / 18 ipm (LTR)

8.5 sec

Resolution 1200dpi effective

Printing Speed


23.5 sec

50 sec

Toner Cartridge

Consumable

In-box

10K pages

4K pages

Mono - Laser Printing

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ScanScan

Method

Copying Speed (A4)

600 x 600 dpi (Optical)

Minimum Scan Line Time 0.73ms(Color) / 0.365(Mono)

Resolution


[ Duplex ] 1-2 : 17ipm / 2-2 : 13ipm

FCOT

Zoom Rate

9.5 sec - Platen11.5 sec - DADF

25% ~ 400% - Platen25% ~ 200% - DADF

Color CCDM

CopyCopy

[ Simplex ] SDMC : 33cpm / MDSC : 29cpm

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FaxFax

Modem Speed

App. 3.0 sec per page

Memory 80GB HDD

Transmission Speed


33.6Kbps

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Paper HandlingPaper Handling

50 sheets (80gsm)

250 sheets (face-down)

500 sheets (80gsm)

Optional Tray N/A

Capacity(75gr/20 lb)

Manual Tray

Main Tray

Capacity of Output

1 sheet (face-up)

Rear output tray is available for the special media such as envelope, label, postcard, transparency and so on.


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OptionOption

Optional Feeder 500 sheets (80gsm)

Duplex Feeder (Factory option) Letter, A4, Folio and Legal


MemoryElbert2 provides one Extension Slot

for extending Memory

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Ⅰ. Comprehension of System Layout Ⅱ. Studying the printing process and electro-photographic process

Ⅲ. Understanding the basic structures and

operating principle of each parts


Ⅱ. Process

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Ⅱ. Process

ENGINE PART

DADF PART

1. System Layout1. System Layout

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2. Printing Process (General)2. Printing Process (General)

Ⅱ. Process

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3-1. Feeding Section

Feeding type : Center Loading Cassette Type Feeding capacity : Main 500 Sheets (80gsm Standard Paper) MPF 50 Sheets (80gsm Standard Paper) / 5 Sheets (Special Media) Paper detecting sensor : Photo Interrupter

Ⅱ. Process

Cassette MPF

3. Mechanical Parts3. Mechanical Parts

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Ⅱ. Process

3-2. Transfer Roller AssyLooks similar to Elbert’s but different. Do not be confuse. (There is not Gear-Transfer for Elbert-II model.) Life span : 100,000 images


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Ⅱ. Process

3-3. Driver Assy

Main motor ass’y (BLDC) : Paper Pickup, Paper Feeding, Toner Cartridge Exit motor ass’y (STEP) : Fuser Unit, Letting out paper or Putting back paper Duplex motor ass’y (STEP) : Paper Transferring for duplex printing

Main

Exit

Duplex


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3-4. Fuser Assy

Ⅱ. Process

Fusing type : Thermal fixing with a couple of one heat roller and two pressure rollers Hear roller : ø28.3, Anodized, singel halogen lamp, thick brown color coating

Pressure roller 1 : ø16.0 : PFA tube, Electrically conductive Pressure roller 2 : ø20.0 : LSR+PFA, Electrically conductive Single thermistor and a pair of thermostat A ball bearing at each end of heat roller (total amount; two) Jam removal lever / Fuser door open for jam removal Life span : 80,000 pages


Thermistor

Thermostat

3-4-1. Fuser Detail

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3-4-2. Fuser Error Error message is displayed.-Open Heat Error-Low Heat Error-Over Heat Error

“Over Heat Error“Or “Low Heat Error”

Turn off the power and stay for 5minutes.

Is the same message shown

again?

OK

Turn on the printer.

Yes

No

Contact Samsung CC Replace the Fuser Assy

SVC EngineerEnd User

Is the same message shown again?

Replace the SMPS Is the same message shown again?

Replace the Main PBA

Ⅱ. Process

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3-4-3. Fuser Disassembly

2. Open the Rear Cover.

5. Check the Fuser Assy whether defective or not (go to the next page)

1. Turn off the Printer and unplug the power cable.

3. Unfasten the strap.

4. Unfold the Guide-Output (Black mold part). 4. Unscrew 4 screws on the Fuser.

Ⅱ. Process

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3-4-4. Defective Checking

• 4712-001031 : THERMOSTAT

• 1404-001364 : THERMISTOR-NTC ASSY

(3) Thermistor

1. Measure the resistance value between ⓔ and ⓕ - Defective : infinite - Non-defective : Approx. 330 ~ 360 (K)ohm2. If defective, replace the new thermistor. - Unscrews 1 screw.

If you replace the thermistor , unscrew here

e f

(1) Thermostat

1. Measure the resistance value between ⓐ and ⓑ - Defective : infinite - Non-defective : Approx. 0 (zero) ~ 1 ohm

2. If defective, replace the new thermostat. - Unscrews 2 screw ⓐ and ⓑ

a bThermostat

c d

(2) Halogen Lamp

1. Measure the resistance value between ⓒ and ⓓ - Defective : infinite - Non-defective : Approx. 0(zero) ~ 10 ohm2. If defective, replace the new fuser ass’y

• JC96-05064A : ELA UNIT-FUSER 220V

• JC96-05063A : ELA UNIT-FUSER 110V

※ Thermostat – Critical Temperature-Detecting Device

※ Thermistor – Temperature-Measuring Device

Ⅱ. Process

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Ⅱ. Process

3-5. LSU Laser diode : Dual type Same as Elbert Protecting glass for beam slot Safety inter-rock switch against beam emission while front cover open


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Ⅱ. Process

3-6. DADF

Faster ADF than Elbert : 30 cpm/LTR (MDSP) Solenoid clutch Duplex Auto Document Feeder : Capacity 50 Sheets Document Align : Center (with document guide)


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Ⅱ. Process

3-7. Flatbed Scanner

Enhanced color CCD(Charge Coupled Device) : Kepler Middle with white LED light

Minimum Scan Line Time: 0.73ms(Color) / 0.365(Mono) Scan Resolution : Optical 600 x 600 DPI Color Depth : 36 Bits (Internal), 24Bits (External)


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Ⅱ. Process

3-8. OPE panel

LCD : 7" Color LCD ( 800 by 480 line color TFT LCD )


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Ⅱ. Process

3-9-1. Toner Cartridge(1)

Capacity : 4,000 images (in box) / 10,000 images (After-Market) [ ISO19752 pattern on A4 paper and 68°F (50 %) ~75 °F (60 %) ] CRUM with encryption Non-magnetic 1 element contacting method Toner: Non-magnetic 1 element shatter type toner (Average Dia. 8 ㎛ )

Drum OPC DR SR Agi tat or1 Agi tat or2

Cap-Toner

CRCl eani ng Bl ade

Frame- CR- Hol der

Doctor Bl ade

Frame- DeveFrame- Cl eani ng

PCB-CRUM


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Ⅱ. Process

3-9-2. Toner Cartridge(2)

OPC Cleaning: Rake used toner into waste toner box with cleaning blade OPC Drum protecting Shutter : Do not have

Waste toner box

OPC drum

Cleaning blade

OPC Drum(no protecting shutter)

Waste toner box

OPC drive gear

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Ⅱ. Process

3-9-3. Toner Cartridge(3) Method of toner supply : Toner is transported to the developing roller by supply roller.

Regulating toner level : SUS Blade (Doctor Blade)

Sus blade

Developing rollerSupply roller

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Ⅱ. Process

3-9-4. Components layout

Toner CartridgeToner Cartridge

Cleaning Frame OPC DR SR

Agitator1 Agitator2

CRUM

CR

CR cleaning

Doctor Blade

Cleaning Blade

Upper Frame

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D/ROPC

S/RC/R

(-)390V (-)590V(-)1350V@NN

(-)1300 ~ (-)1450V

(+)1300V@NN

(+)400 ~ 5000V

D/R Voltage

Measurement

S/R Voltage

Measurement

GndGnd Gnd

Gnd

T/R

3-9-5. Applied voltage & measurement

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Ⅲ. Maintenance

3-9-6. Redistributing Toner

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Ⅱ. Process

3. System Layout3. System Layout3-10. Duplex Unit

A4, Letter, Folio, Oficio and Legal Recommended to use heavier paper than 75gsm for duplex printing Standard

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Ⅱ. Process

3. System Layout3. System Layout3-11. Optional Feeder (SCF)

Capacity : 500 sheets (80gsm) Available paper size : A5, Executive, JIS B5, ISO B5, A4(210x297mm), Letter(216x279mm),

Legal, Folio, Oficio

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts

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Ⅱ. Process

4-1. Main Board


Scan MOTIC

CHORUS3(ASIC)

Flash Memory

USB IC

DDR2 DIMM

Network IC

4-1. Main Board

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Ⅱ. Process

4-2. Installing Printer Memory4. Electrical Parts4. Electrical Parts

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Ⅱ. Process

SUPPLY -630±3% THV

+1300±3% -1200±3%

OPC -130±15.4%

MHV -1350±3%

DEV -430±3%

4. Electrical Parts4. Electrical Parts4-3. HVPS

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Fuse ACFuse AC

24V24V

Ⅱ. Process


5V5V

FU

SERFU

SER

4-4. SMPS

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts4-5. PBA-DRIVER

DuplexDuplexmotormotor

Exit motor / Duplex motor Main FAN / LSU FAN / SMPS FAN SMPS MAIN PBA

SMPSSMPS

MAI

N

MAI

N

PBA

PBA

→→mainmain FanFan

→→SMPSSMPSFanFan

→→Exit motorExit motor

LSU fanLSU fan

A3983SLP(Duplex motor)

Duplex motor

SMPSSMPS fan

Main FanLSU Fan

Exit motor

A3983SLP(Exit motor)

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts4-6. PBA-DADF

MAINMAINPBAPBA

DADF motor DADF P_POS / DADF P_REGI / DADF P_DET sensor DADF Cover OPEN / P_SIZE sensor DADF Exit solenoid / DADF Pick up solenoid

P

_PO

S P_

POS

sens

orse

nsor

P_R

EGI

P_R

EGI

sens

orse

nsor

→→Exit solenoidExit solenoid

P

_DET

P_

DET

se

nsor

sens

or

CO

VER

C

OVE

R

OPE

NO

PEN

sens

orse

nsor

P_sizeP_sizesensorsensor

D

ADF

DAD

Fm

otorm

otor

→→Pick Up solenoidPick Up solenoid

Reg

iR

egi

sole

noid

sole

noid

A3983SLP(DADF motor)

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts4-7. PBA-OPE_MAIN

LCD OP_KEY_SUB / OP_KEY

MAIN IF(POWER)

S3C2413CNOR FLASH

32MB

OP_KEY_SUB

LCD INTERFACE

DDR1 SDRAM32MB

MAIN IF(USB)

BACK LIGHT

TOUCHSCREEN

DEBUG JTAG

OP_KEY

BUZZER

OP_KEY_SUBOP_KEY_SUB

L

CD

LC

D

MAI

N IF

MAI

N IF

→→OP_KEYOP_KEY

LC

D

LCD

TO

UC

H IF

TOU

CH

IF

LC

D

LCD

B

ACK

B

ACK

LI

GH

T IF

LIG

HT

IF

M

AIN PB

AM

AIN PB

A

O

P_KEY_SU

BO

P_KEY_SU

B

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts4-8. PBA-OPE_KEY_SUB

USB HUB IC(USB2415-AEZG) LEFT side KEY and LED of OPE -. LED : MACHINE STATUS GREEN and RED -. KEY : MACHINE SETUP KEY, JOB STATUS

O

PE_MAIN

OPE_M

AIN

O

PE_MAIN

OPE_M

AIN

M

AIN PB

AM

AIN PB

A

USB2415-AEZG(USB HUB IC)

USB DIRECTUSB DIRECT

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts4-9. PBA-OPE_KEY

O

PE_M

AIN

OPE

_MAI

N

RIGHT side KEY and LED of OPE -. LED : POWER SAVE / INTERRUP PRINTING -. KEY : INTERRUPT / CLEAR ALL / STOP CLEAR / ON HOOK / REDIAL-PAUSE / CLEAR / NUMBER 1 ~ 0

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts4-10. PBA-FAX

SiLAB modem

MAIN

PBA

MAIN

PBA

LINELINE

EXTERNALEXTERNAL

SI2435

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Ⅱ. Process

4. Electrical Parts4. Electrical Parts4-11. PBA-SCF(Option)

BLDCBLDC

BLDC / Solenoid Paper empty sensor

Paper Paper em

pty em

pty sensorsensor

S3F443FX

solenoidsolenoid

→→MAIN PBAMAIN PBA

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Ⅰ. What is the function of paper feeding sensor ? Ⅱ. Do you know life span of Transfer Roller? Ⅲ. Do you know the function of Thermistor and Thermostat?

ReviewReview

Ⅱ. Process

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Ⅲ. Disassembly

Ⅰ. Studying the method of disassemble parts from a complete whole Ⅱ. Comprehension of the function of each parts

Ⅲ. Understanding the basic structures of major part


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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

5

5

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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Ⅲ. Disassembly

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-. Refer to ‘Service Manual’-. Refer to ‘Service Manual’

Ⅲ. Disassembly

TBD

-. Refer to ‘Exploded view’-. Refer to ‘Exploded view’

1. Actual Training1. Actual Training

Adobe Acrobat Document

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Ⅰ. Building ability to deal with various problems raised in the field by reviewing troubleshooting Ⅱ. Check the solution of each problem. Ⅲ. Check the difference of each Jam.


Ⅳ. Troubleshooting

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Ⅳ. TroubleshootingClearing Jams in the Paper Tray

Type Case Jam Removal Jam Layout

Jam 0 Leading edge of media does not arrive at registration within a certain time after pick-up(If fails at a time,it tries pick-up again)

1. Pull out cassette2. Remove jammed paper

Jam 1 Leading edge of media does not arrive at Exit Sensor within a certain time after registration

1. Open front cover2. Pull out toner cartridge3. Remove jammed paper

Jam 2 Trailing edge of media does not leave Exit Sensor within a certain time after touching registration

1. Open rear cover(2. Pull down jam lever on fuser unit

and open fuser cover)3. Remove jammed paper from exit

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Ⅳ. TroubleshootingClearing Jams in the Duplex Unit

Type Case Jam Removal Jam Layout

Duplex Jam 1 Trailing edge of media leaves Exit Sensor, and does not arrive at Duplex Sensor

1. Open rear cover2. Remove jammed paperOR1. Pull out duplex unit 2. Remove jammed paper from duplex

unit

Duplex Jam 0 Leading edge of media does not arrive at registration within a certain time after touching Duplex Sensor

1. Open rear cover2. Remove jammed paperOR1. Pull out duplex unit 2. Remove jammed paper from duplex unit

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Ⅳ. TroubleshootingClearing Jams in the Duplex Unit

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Ⅳ. TroubleshootingClearing Jams in the DADF

Type Case Jam Removal

Document Jam All case of DADF Jam 1. Open DADF open cover2. Remove jammed paperOR1. Open DADF open cover and Lift up DADF middle cover2. Remove jammed paper

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Ⅳ. TroubleshootingClearing Jams in the DADF

Samsung SCX-5835FN Training Manual.pdf

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