Drum Unit (Developing/Drum) - Canon imageRUNNER ADVANCE C255 Series Service Manual

Drum Unit (Developing/Drum)

■ Drum Unit Overview
The Drum Unit consists of the Developing Assembly and Drum.
■ Developing Overview/ Drive Configuration
Developing Motor
DC Controller PCB (UN04)
Secondary Transfer High-voltage PCB (UN02)
Developing Assembly
Developing Cylinder Clutch
(Y/M/C/Bk)
CL01
CL02
M03
CL03
CL04
ATR Sensor (Y/M/C/Bk)
(UN34-UN37)
Drum Assembly
Developing Cylinder
Developer Feed Developer Feed
Screw B Screw A
54
2. Technology
Photosensitive
Drum
Primary Charging
Roller