CHAPTER 4 IMAGE FORMATION SYSTEM

5 Controlling the Transfer Guide Bias

5.1 Transfer Guide Bias

Part 2>Chapter 5>7.2 “Transfer Guide Type”

The transfer guide bias is used to prevent adhesion of toner to the transfer guide, and is a negative component (-600 VDC), which is of the same polarity as the toner.

The transfer guide bias is continuously applied as long as printing is under way.

Composite power supply PCB

DC controller PCB

24 VDC input

+24V

from main

 

power supply

J135

Serial communication

Print/standby mode signal

J301

PWCPU-

J136

-A3

-A10

-A1

-A12

 

 

 

 

 

 

 

 

 

Transformer

 

Transfer

Photosensitive

High-voltage

drum

drive signal

guide output

 

 

 

 

 

 

 

main transformer

 

 

 

 

 

 

 

 

 

J131-3Transfer

 

 

(T504)

 

 

 

 

 

 

 

 

 

guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F04-501-01

4-16 P

COPYRIGHT © 2001 CANON INC.

CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001

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Image 180
Canon IR3300, IR2800, IR2200 Controlling the Transfer Guide Bias, Part 2Chapter 57.2 Transfer Guide Type, F04-501-01 16 P