Procedure for the Installation of Developer Maintenance Kits in the

CX3535/CX4545 MFP

Step 1

Process Unit Disassembly Step 2

Unit Disassembly / Maintenance Part Replacement for the Drum/Cleaning Unit Step 3

Unit Disassembly / Maintenance Part Replacement for the Developer Unit Step 4

Process Unit Re-assembly Step 5

Adjustment of the Auto-Toner Sensor Step 6

Performing Image Quality Control

Step 7

PM Counter Reset

Black Developer Kit

Part Number 58287604

Contents

DEV-KIT-FC25K

KIT:MAINTENANCE DEVELOPER BLACK FC25K

Drum cleaning blade

BL-FC28D

1

Main charger grid

GRID-CHARGR-MAIN F45X

1

Needle electrode

ELCTRD-CHARGR-MAIN-380

1

Main charger cleaner

FILM-CLNR-GRID-F45X

2

Developer material

D-FC25K

1

Developer unit filter

ASYS-DUCT-DEV-COV

1

Ozone filter 1

FLTR-OZON-45X-CBO-600M

1

Slit glass cleaner pad

ASYS-CLNR-GLASS

1

Color Developer Kit

Part Number 58287605

Contents

DEV-KIT-FC25CLR

KIT: MAINTENANCE DEVELOPER COLOR FC25CLR

Drum cleaning blade

BL-FC28D

3

Main charger grid

GRID-CHARGR-MAIN- F45X

3

Needle electrode

ELCTRD-CHARGR-MAIN-380

3

Main charger cleaner

FILM-CLNR-GRID-F45X

6

Developer material (Y)

D-FC25-Y

1

Developer material (M)

D-FC25-M

1

Developer material (C)

D-FC25-C

1

Developer filter

ASYS-DUCT-DEV-COV

3

Step 1 - Process Unit Disassembly

1 Remove Unit

4

3 2

6 5

Disconnect Connector Remove Knob

Remove Cover Remove Retainer Release Latch

7 Separate Units

Drum/Cleaning Unit Developer Unit

Step 2 - Unit Disassembly / Maintenance Part Replacement - Drum/Cleaning Unit

4 5 6

7

10

3 2 1 Remove Charger Assembly Remove Charge Cleaning Rod Replace Pads

Remove Charge Grid Remove Cover Replace Needle Electrode

Replace Cover

Remove Drum Shaft and Drum

Replace Cleaning Blade Re-assemble Unit

Replace Charge Grid 8

PM Part

Remove Drum Bushing 9

11 12

PM Part

PM Part

PM Part

Step 3 - Unit Disassembly / Maintenance Part Replacement - Developer Unit

1 Unlock Retaining Clip

2 3 Unlock Retaining Clip

Remove Cover and empty old developer in appropriate container for disposal.

4 5 6

7 8 9

11 10

Fill Developer Unit Shake New Developer

Rotate Developer Roller to coat evenly

Secure Clips Re-install Cover

Level New Developer in Unit Place Cover. (Inspect Latch points or leakage may occur)

Unlock Retaining Clip

12 Secure Clip

PM Part

Step 4 - Process Unit Re-assembly

1 Secure Latch

4 5 6

Align Cover Install Retainer

Install Knob Re-connect Connector Install Cover

2 3

7

Re-install Unit in Printer

Install Developer Filter

10

PM Part

9 8

PM Part

PM Part

Install Ozone Filter Install Slit Glass Cleaning Pad

Black Developer Kit

Only

Black Developer Kit

Only

Step 5 - Adjustment of the Auto-Toner Sensor When the developer material is replaced, adjust the auto-toner sensor in the following procedure. If the value of 08-2707 (toner density ratio manual offset control) of the replacing developer material has been changed from "0" (default), return the sub code value of the corresponding color to "0".

Important Note:

Remove the toner cartridge for the color developer that has been replaced. If the black developer kit has been installed REMOVE the black toner cartridge BEFORE performing this adjustment. If the color developer kit has been installed REMOVE the Magenta, Cyan, and yellow toner cartridges BEFORE performing this adjustment.

(1) While pressing [0] and [5] simultaneously, turn the Power ON. The following message will be displayed.

(1)Enter ADJUSTMENT Mode Enter Service Mode [0]+[5]+[POWER]ON

(2)Authentication screen If a service password has been registered enter the service password and select “OK”. If a service password has NOT been registered leave password blank and select “OK”.

(2) Key in the code below for the kit that has been installed and press the [START] button. BE SURE THAT THE TONER HAS BEEN REMOVED

Code Codes: 2404 = Developer material K 2406 = Developer material YMC

(3) The message below will be displayed approx. 2 minutes later and the adjustment starts: During the adjustment, “Current sensor voltage (V)” shown in (B) automatically changes and gradually approaches to “Target value (V) for adjustment reference voltage” shown in (A).

(4) When the “Current sensor voltage (V)” in (B) is converged and the “Sensor output control value (bit value)” corresponding to the value for initial developer material is displayed in (C), the adjustment is completed. When the adjustment is completed, the [OK] button is displayed on the screen.

Notes: The values in (A), (B) and (C) vary with humidity.

(5) Press the [OK] button to store the adjustment result in the memory.

(6) Turn the power OFF and install the toner cartridges.

Step 6 - Performing Image Quality Control When any of the following parts is replaced, be sure to perform the “Forced performing of image quality closed-loop control (05-2742)” procedure.

• Photoconductive drum • Developer material • Laser optical unit • Transfer belt • 1st transfer roller • Drum cleaning blade • Needle electrode • Main charger grid • Image position aligning sensor • Image quality sensor (1)Enter ADJUSTMENT Mode Enter Service Mode [0]+[5]+[POWER]ON

(2)Authentication screen If a service password has been registered enter the service password and select “OK”. If a service password has NOT been registered leave password blank and select “OK”.

Code Item to be adjusted Contents 2742 Forced performing of image quality closedloop control

(3)Key in [2742] and press the [START] button. Code (4)“WAIT” is displayed.

(5) When the adjustment finishes normally, the equipment returns to the initial state of Adjustment Mode.

(6)Turn the power OFF at the main switch.

Step 7 - PM Counter Reset (1)Enter PM Support Mode Enter Service Mode [6]+[START]+[POWER]ON

(2)Authentication screen If a service password has been registered enter the service password and select “OK”. If a service password has NOT been registered leave password blank and select “OK”.

Reset for the Black Developer Kit

(1)Highlight the “CLEANER/DRUM/CHARGER (K)” counter and select “RESET”.

(2)Select “Initialize”.

This function resets:

• Drum (K) • Drum Blade (K) • Grid (K) • Main Charger Needle (K) • Charger Cleaning Pad (K)

Once Initialization is complete you will return to the Home screen above.

The procedure outlined below is for resetting the BLACK developer kit. Follow the same procedure when installing the COLOR developer kit for this printer. DO NOT reset the OZONE FILTER counter when replacing the COLOR KIT as this is only performed with the black developer kit replacement.

(3)Highlight the “OZONE FILTER REAR” counter and select “RESET”.

(4)Select “Initialize”.

(5)Page down to page 2 of 4 and Highlight the “DEVELOPMENT UNIT” counter and select “SUB UNIT”.

(6)Highlight the “BLACK DEVELOPER” counter and select “RESET’.

(7)Select “Initialize”.

(8)Highlight the “DEVELOPER FILTER (K)” counter and select “RESET’.

Once Initialization is complete you will return to the previous screen above.

(9)Select “Initialize”.

(10)To complete turn the main power switch OFF/ON.

The procedure outlined above is for resetting the BLACK developer kit. Follow the same procedure when installing the COLOR developer kit for this printer. Be sure to reset each color developer and developer filter.

DO NOT reset the OZONE FILTER counter as this is only performed with the black developer kit replacement.