Katun Canon iR-2020/2020i Drum Unit Cartridges - Manual (Page 2)

Universal Rebuilding Instructions
for Canon iR 2016/2018/2020/2022/2025/2030/2318 Drum Unit Cartridgess
(A) OPC Drum Holding Pin
(B) Bias Charge Roller (BCR)
(C) White BCR Support Clip
(D) Drum Cleaning Blade (DCB)
Rebuilding Kit Contents:
(1) OPC Drum
(1) Drum Cleaning Blade
(1) Instructions
(1) Wipe
Recommended Tools and Materials:
• Screwdriver-Phillips #2, 8 inch (Katun PN 11010107)
• Electronic Needle Nose Pliers (Katun PN 11010036)
• Katun Kynar Dusting Pouch
(Katun PN 11707200)
• Chicopee Chix Soft Cloth (Katun PN 11707338)
(Note: All recommended tools and materials are available from Katun.)
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 DU/C being rebuilt.
1. Remove the OPC drum holding pin (A) with electronic 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 Chicopee Chix Soft Cloth; 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 pres-
ent 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 previously removed 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 Chicopee Chix Soft Cloth
to prevent copy quality issues.