Image Formation System; Overview - Canon imageRUNNER ADVANCE 715 series Service Manual

Image Formation System

Overview

The image formation system forms a toner image on the paper.
The DC Controller controls the Laser Scanner Unit and High-Voltage Power Supply to form the toner image on the Photosensitive
Drum, and transfers and fixes this to the paper.
Cartridge
Memory Tag
■ Print Process
Flow of print paper
IRotating direction of ITB,
photosensitive drum
No. Block name
1 Static latent image forma-
tion block
2
Laser Scanner Unit
Toner Level Toner Level
Cartridge
Sensor Sensor
Primary charging roller
Developing roller
DC Controller PCB
8.Drum cleaning
Drum cleaning block Drum cleaning block
1.Pre-exposure
Static latent image
2.Primary charging
formation block
3.Laser exposure
Process name
Pre-exposure To prevent uneven density with the print image, residual charge on the
Photosensitive Drum is removed before the primary charging.
Primary charging The surface of the Photosensitive Drum is uniformly charged with negative
potential.
Fixing Assembly
Photosensitive
Drum
High Voltage Power Supply PCB
Delivery
Transfer block
4.Development
Developing block Developing block
Pickup
45
2. Technology
Fixing block
7.Fixing
6.Separation
5.Transfer
Registration
Description