Transfer Charging Assembly Cleaning Mechanism - Canon imageRUNNER 7095 Service Manual

In a low humidity environment, paper tends to dry
up collecting excess charges (high resistance); to
counter, the output is reduced.
SERVICE MODE:
- COPIER> OPTION> BODY> TRSW-P-B (enabling/disabling transfer current output correction
control)
1: does not vary the transfer current value (default)
(transfer faults occurring along the trail edge of paper)
0: corrects the transfer current value along the trail edge of paper

7.8.2.4 Transfer Charging Assembly Cleaning Mechanism

Separation
charging
assembly
J509B
1
T/S_W.C_OUT1
4
5
13
When '1', the wire cleaner moves toward the rear.
Reference:
Timing of Cleaning
[1] the surface temperature of the fixing roller is 100 deg C or lower when the control panel power switch
When making a double-sided print, paper will absorb fixing
oil and tend to collect less charges (low resistance); since
the discharge current along the trailing edge of paper will
be low, the output is not varied.
Transfer current correction (µA)
Single-sided printing
Low humidity
+220
Normal humidity
+150
High humidity
F-7-41
Wire
Wire cleaner
F-7-42
Double-sided printing
Transfer charging assembly
Transfer/separation charging
wire cleaning motor(M9)
T/S_W.C_OUT2
When '1', the wire cleaner moves toward the front.
Chapter 7
0010-8074
7-31