Contact
Follow Precision Roller on Pinterest

Canon ImageRunner 2020 Drum Unit Rebuilding Instructions

Originally written for: Canon imageRUNNER 2020
  • Date:

These instructions describe how to rebuild the drum unit for a Canon ImageRunner 2020 and similar models.

(A) OPC DRUM HOLDING PIN
(B) BIAS CHARGE ROLLER (BCR)
(C) WHITE BCR SUPPORT CLIP
(D) DRUM CLEANING BLADE (DCB)

REBUILDING KIT CONTENTS:
PART NUMBER G9092
(1) OPC DRUM
(1) DRUM CLEANING BLADE
(1) INSTRUCTIONS
(1) WIPE

RECOMMENDED TOOLS AND MATERIALS:
• SCREWDRIVER-PHILLIPS #2, 8 INCH (PART NUMBER T4540)
• ELECTRONIC NEEDLE NOSE PLIERS (PART NUMBER T1400)
• KYNAR DUSTING BAG (PART NUMBER A5000)
• S4400 TOWEL (PART NUMBER S4400)

(NOTE: ALL RECOMMENDED TOOLS AND MATERIALS ARE AVAILABLE FROM PRECISION ROLLER)

DISASSEMBLY
NOTE: FOLLOW THESE INSTRUCTIONS CAREFULLY. THE QUALITY AND PERFORMANCE OF THIS
PRODUCT WILL DEPEND ON YOUR WORKMANSHIP AS WELL AS THE CONDITION OF THE USED
UNIT BEING REBUILT

1. REMOVE THE OPC DRUM HOLDING PIN (A) WITH NEEDLE NOSE PLIERS.

REMOVE USED OPC DRUM.

 

2. REMOVE BIAS CHARGE ROLLER (B). CLEAN THE CHARGE ROLLER WITH CHARGE ROLLER CLEANING WIPE, OR WITH CLEAN DEIONIZED WATER AND WHITE S4400 TOWEL; DRY WIPE IN ONE DIRECTION ONLY.

3. REMOVE WHITE BCR SUPPORT CLIP (C)

4. REMOVE DRUM CLEANING BLADE (D) BY REMOVING THE TWO (2) SECURING SCREWS. NOTE THE QUANTITY AND LOCATION OF ANY BLADE SHIMS THAT MAY BE PRESENT UNDER THE USED BLADE, AND SAVE FOR REINSTALLATION.

REBUILDING

5. VACUUM OUT WASTE TONER, BEING CAREFUL NOT TO DAMAGE THE MYLAR RECOVERY BLADE.

6. INSTALL ANY DRUM CLEANING BLADE SHIMS REMOVED IN DISASSEMBLY, THEN INSTALL NEW DRUM CLEANING BLADE, SECURING WITH THE TWO (2) SCREWS REMOVED IN STEP 4. INSTALL PREVIOUSLY REMOVED WHITE BCR SUPPORT CLIP.

7. REINSTALL CLEAN BCR.

8. APPLY LIGHT AMOUNT OF KYNAR TO OPC DRUM. INSTALL NEW OPC DRUM IN CARTRIDGE
SECURING IT IN PLACE WITH DRUM HOLDING PIN REMOVED IN STEP 1. ROTATE OPC DRUM ONE
ROTATION DOWN (COUNTER) TO THE DRUM-CLEANING BLADE. IF KYNAR IS VISIBLE ON THE BCR,
DRY WIPE IT WITH S4400 TOWEL TO PREVENT COPY QUALITY ISSUES.

  • Publisher: Precision Roller