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©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 4 IMAGE FORMATION SYSTEM

4-16 P

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.

F04-501-01

DC controller PCB
Transfer
guide output
J135
J301
-A3
-A1
J136
-A10
-A12
24 VDC input
from main
power supply
Composite power supply PCB
PW-CPU
Transformer
drive signal
J131-3
Photosensitive
drum
High-voltage
main transformer
(T504) Transfer
guide
+24V
Serial communication
Print/standby mode signal