Canon 1000 Service Manual page 55

Inputs to the DC Controller PCB (6/8)
Front cover switch
SW 1
Control key switch
SW 3
Waste toner lock
SW 4
detection switch
Fixing lever switch
SW 5
Multifeeder open switch
SW 6
CT Y
Potential sensor (Y)
CT M
Potential sensor (M)
COPYRIGHT © 2001 CANON INC.
J 6003F - 1
- 2
J 6026 - 2
- 1
FT 9
FT 10
FT12
FT14
J 2953A
FT 8 - 10
FT 7 - 9
Y potential measurement PCB
J 6223Y 5V
J 6255Y
- 1
- 4
- 2
- 6
- 5
- 5
J 6224Y- 1
- 3
- 2 - 2
- 1 - 4
150V
- 15V
15V
M potential measurement PCB
J 6255M J 6223M 5V
- 4 - 1
- 6 - 2
- 5 - 5
- 3 J 6224M- 1
- 2 - 2
- 1 - 4
150V
- 15V
15V
Figure 3-111
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
J 2212B - 14
- 15
J 2239B - 1
- 2
J 2223B - 10
- 11
J 2223B - 12
- 13
J 2207B
J 2955B
- 4
- 12
Multifeeder relay PCB
J 6220Y
J 2216A
- 4
- 1
- 2
- 2
- 1
- 3
J 6219Y J 4603L
150V
- 1
- 1
-15V
- 2 - 2
15V
- 3
- 3
HVT2-1
J 6220M
J 2216A
- 4
- 6
- 2
- 7
- 1
- 8
J 6219M J 4604L
150V
- 1
- 1
-15V
- 2 - 2
15V
- 3
- 3
HVT2-1
3. OPERATION AND TIMING
DC controller PCB
FRDC*
When front cover is closed, '0'.
KEYSW* When key switch is inserted, '0'.
When waste toner clogging is
WTBDT*
detected, '0'.
When fixing assembly knob is
F-KBLK*
set, '0'.
MFDDC*
When multifeeder is closed, '0'.
24V
Check in the field not possible.
EPC-Y
24V
Check in the field not possible.
EPC-M
3-11