COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
3-97
3. OPERATION AND TIMING
D. Primary Charging Assembly
1. Outline
Figure 3-520 shows the construction of the primary charging assembly. The charge current for the
primary corona wire and the pre-primary corona wire and the grid bias is controlled by the control signal from
the DC controller. The change current for the primary corona wire is constant, and the grid bias is varied to
control the drum surface potential.
Figure 3-520
HVT2-2
HVT2-1
Pre-primary
charging assembly
Control signal
Primary charging
assembly
Grid bias
Bk
C
DC controller PCB
Bk
C
M
Y
Y
M
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