Cleaning Mechanism For The Pre-Transfer Charging Assembly - Canon Image Reader-A1 iR5000i Service Manual

3.4.3 Cleaning Mechanism for the Pre-Transfer Charging Assembly

The pre-transfer charging wire is cleaned at such times as shown below, and its cleaning
mechanism is constructed as follows:
Timing of Cleaning
1. If the temperature of the fixing roller is 100°C or lower at power-on.
2. When wire cleaning is executed in user mode.
3. At the end of last rotation for printing of each 2000 prints*1.
*1: Default; may be changed in service mode: COPIER>OPTION>BODY>W-CLN-P.
J103A
PTRCLM1 [1]
1
PTRCLM2 [2]
2
1
15
The following signals are used:
[1] pre-transfer charging wire cleaning motor CW drive signal; when '1', the wire cleaner
moves to the rear.
[2] pre-transfer charging wire cleaning motor CCW drive signal; when '1', the wire moves
to the front.
COPYRIGHT © 2001 CANON INC.
Wire
Wire cleaner
Pre-transfer charging assembly
F04-304-03
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 4 IMAGE FORMATION SYSTEM
Pre-transfer
charging
wire cleaning
motor (M7)
4-25 P