Canon Color imageCLASS MF8280Cw, Service Manual

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Technical Overview > Image Formation System > Parts > MF8200 series
Technical Overview > Image Formation System > Parts > MF8200 series
Image Formation System
Overview
The image formation system holds the core function of this product to form toner images on
paper.
To form toner images, the DC controller controls various high-voltage power supply PCBs.
This product is a compact and high-speed color printing device that employs the 4-drum and
intermediate transfer method.
The image formation system is composed of the following components.
• 4 cartridges
• ITB unit
• Secondary transfer external roller
The figure below shows the image formation system schematically.
DC controller
High-voltage power supply
Secondary transfer
external roller
ITB
Cartridge
Laser beam
ITB cleaning unit
Fixing
unit
Photosensitive drum
Primary transfer pad
Laser scanner
F-2-15
Parts
■ MF8500 series
Y M C Bk
ITB Cleaning Brush
ITB Cleaning Roller
Toner Cartridge Developing Cylinder
Photosensitive
Drum
Color Displacement
/Density Sensor
Secondary Transfer
External Roller
Primary
Transfer Pad
ITB Unit
Secondary Transfer
Internal Roller
■
MF8200 series
Y M C Bk
ITB cleaning brush
ITB cleaning roller Toner cartridge Developing cylinder
Photosensitive
drum
Color
displacement/density
sensor
Secondary transfer
external roller
Primary
transfer pad
ITB unit
Secondary transfer
internal roller
F-2-16
F-2-17