Controlling The Transfer Guide Bias; Transfer Guide Bias - Canon iR2200 Service Manual

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.
24 VDC input
from main
power supply
J135
Serial communication
Print/standby mode signal
J301 J136
-A3 -A10
-A1 -A12
4-16 P
COPYRIGHT © 2001 CANON INC.
Composite power supply PCB
+24V
Transformer
drive signal
F04-501-01
2000 2000 2000 2000
Transfer
guide output
High-voltage
main transformer
(T504)
CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
Photosensitive
drum
J131-3
Transfer
guide