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CHAPTER 6 IMAGE FORMATION SYSTEM
6-20
COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
B. Dust-Collecting Roller Bias
1. Outline
The dust-collecting roller bias mechanism is controlled for the following:
[1] Turning on and off the dust-collecting roller bias.
Figure 6-303 shows the construction of the dust-collecting roller bias control system.
Figure 6-303 Construction of the Control System
DC controller PCB
J510A
DC 1000V
J723
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0 V
24 VH
24 VH
HVDC-EN
GND
GND
1
2
3
4
Relay PCB
Dust-collecting
roller
J732
1
2
3
High-voltage DC PCB
When '1', high-voltage
output is ready.
When '1',
the dust-collecting
roller bias turns on.