Image Formation System; Overview - Canon imageRUNNER ADVANCE C255 Series Service Manual

Image Formation System

Overview

The image formation system of this machine uses the dry, 2-component AC developing method for developing and the
intermediate transfer method for transferring to form toner images.
To increase life of the Image Formation Unit, this machine uses the primary transfer disengagement method.
ITB
Cleaning Unit
Photosensitive
Drum
Drum Unit
Developer
Feed Screw B
■ Specifications
Item
Photosensitive Drum
Developing Assembly
Primary charging
Toner Container
Transfer method
ITB Unit
Primary transfer
Secondary transfer
Separation method
ITB Unit
Y
Developer
Primary
Feed Screw A
Charging Roller
Developing
Cylinder
Material : OPC
Drum diameter : 30 mm in diameter
Cleaning : Cleaning Blade
Process speed :
imageRUNNER ADVANCE C355:200 mm/s
imageRUNNER ADVANCE C255:135 mm/s
Drum Heater : None
Developing method : Dry, 2-component developing
Toner level detection : Yes (the ATR Sensor is also used)
Charging method : Roller charging
Toner Container detection : Yes
Replacement of Toner Container (during continuous print) : No
Intermediate Belt transfer (ITB)
Cleaning : Cleaning Blade
Corrects belt displacement : Yes (controlled by the hardware configuration)
Transfer method : Transfer Roller
Disengagement mechanism : Yes
Transfer method : Transfer Roller
Disengagement mechanism : None
Cleaning : Static cleaning
Curvature separation + Static Eliminator
Primary Transfer Roller
M
C
Cleaning Blade
Cleaning Screw
Function/Method
51
Secondary
Secondary
Transfer
Transfer
Static
Inner Roller
Eliminator
Bk
Secondary
Transfer
Outer Roller
Registration
Patch Sensor
Unit
Laser Scanner Unit
2. Technology