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OEM Ricoh MP C3003, C3004, C3503, C3504, C4503, C4504, C5503,
C5504, C6003, C6004 drum unit rebuild instructions
(see video as well)
Tools and materials needed to rebuild the drum unit
• PH#2 screwdriver
• Small flat bit screwdriver
• Retaining ring pliers
• Needle nose pliers
• Toner vacuum cleaner
• Lint free cloth
• 90-99% isopropyl alcohol
• Cotton swabs
• Conductive grease
• Disposable gloves
• CET drum rebuild kits CET501001 (black), CET501002 (color)
Step #
Rebuild Steps
1.
Remove the rear PCDU end cover by removing the screw with the PH#2 screwdriver
and taking the end cover off.
2.
On the end of the PCDU there are two black gears with plastic clips on them. Remove
the two plastic clips and then remove the two black gears with a small flat bit
screwdriver.
3.
Remove the three screws from the rear OPC drum support hub, then remove the rear
OPC drum support hub.
4.
Remove the clip, then remove the three white gears from the rear of the PCDU.
5.
Remove the two screws holding the front OPC drum support hub, then remove the
front OPC drum support hub.
6.
Release the toner sensor cable.
7.
Separate PCU (drum unit) section from the developer unit section.
8.
Remove the OPC drum.
9.
Remove the two screws holding the PCR assembly.
10.
Remove the PCR assembly.
11.
Remove the two screws holding the lube bar assembly to the drum unit.
12.
Unsnap the lube bar assembly from the drum unit using a flat bit screwdriver.
13.
Remove the two screws holding the lubricant application blade.
14.
Remove the lubricant application blade.
15.
Remove the screws holding the waste auger pipe.
16.
Remove the waste auger pipe.
17.
Peel off the front sealing felt.
You can use a flat bit screwdriver to gently pry it off.
18.
Push the front lubricant application roller bushing out using a flat bit screwdriver.
You may need to apply force to remove the bushing.
19.
Peel off the rear sealing felt.
You can use a flat bit screwdriver to gently pry it off.
CET Group Co., Ltd.
Installation & Maintenance Instruction
www.cetgroupco.com
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Table of Contents
Related Manuals for CET Ricoh MP C3003
Summary of Contents for CET Ricoh MP C3003
- Page 1 Installation & Maintenance Instruction OEM Ricoh MP C3003, C3004, C3503, C3504, C4503, C4504, C5503, C5504, C6003, C6004 drum unit rebuild instructions (see video as well) Tools and materials needed to rebuild the drum unit • PH#2 screwdriver • Small flat bit screwdriver •...
- Page 2 Remove waste toner with a toner vacuum. Be sure to remove waste toner from the waste auger pipe as well. Do not use a conventional vacuum cleaner. Unpack the new CET drum unit rebuild kit. CET501001 – Black, CET501002 - C, M, Y Kit contents:...
- Page 3 Make sure the latches are securely fixed. Secure the lube bar assembly with two screws. Take out the new CET OPC drum. Leave the protective wrap on it. Remove the retaining ring from the drum axle using a retaining ring pliers.
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