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OPERATIONS AND TIMING
COPYRIGHT
©
1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
C. Inputs to the DC Controller
1. Inputs to the DC Controller PCB (1/5)
Figure 3-103
5V
PS 1
Registration
sensor
5V
J 310A- 3
- 2
- 1
PS 2
LHP
When the home position sensor detects lens, '1'.
(when the light-blocking plate is at PS2, '1')
Lens home
position sensor
5V
J 315A- 6
- 5
- 4
PS 3
BSHP
When the home position sensor detects the
blanking shutter, '1'.
(when the light-blocking plate is at PS3, '1')
Blanking shutter
home position
sensor
5V
J 309- 7
- 8
- 9
CPD1*
When paper is present in the cassette, '0'.
(when the light-blocking plate is not at PS4, '0')
PS 4
Cassette 1 paper
sensor
5V
J 316- 11
- 10
- 9
MFPD*
When paper is present in the multifeeder assembly, '0'.
(when the light-blocking plate is not at PS5, '0')
PS 5
Multifeeder paper
sensor
5V
J 316- 12
- 13
- 14
RPD
PS 6
J 316- 5
- 4
- 3
PS 7
J 309- 10
- 12
- 11
Separation
sensor
DC controller PCB
5V
5V
RDOP* When the right door opens, '0'.
(when the light-blocking plate is not at PS10, '0')
Right door sensor
PS 10
DPD* When PS8 does not detect paper, '0'.
(when the light-blocking plate is not at PS8, '0')
Delivery sensor
J 309- 15
- 14
- 13
PS 8
5V
J 315B- 3
- 4
- 5
SCHP
When the scanner is at home position, '1'.
(when the light-blocking plate is at PS1, '1')
Scanner home
position sensor
When PS6 detects paper, '1'.
(when the light blocking-plate is at PS6, '1')
SPD*
When PS7 detects paper, '0'.
(when the light-blocking plate is not at PS 7, '0')