Canon 1000 Service Manual page 51

Inputs to the DC Controller PCB (2/8)
Transfer belt
cleaning web
rotation sensor
Transfer belt
cleaning web
length sensor
Transfer belt
lifter sensor 1
Transfer belt
lifter sensor 2
Post-registration
paper sensor
Separation sensor
Transfer belt
home position sensor
Transfer edge
sensor 1 (front)
Transfer edge
sensor 2 (rear)
Transfer belt edge
sensor 3 (front)
Transfer belt edge
sensor 4 (rear)
COPYRIGHT © 2001 CANON INC.
J 6092 - 1
- 2
- 3
PS 10
J 6093 - 1
- 2
PS 11
- 3
J 6094 - 1
- 2
PS 12
- 3
J 6095 - 1
- 2
PS 13
- 3
J 6096 - 1
- 2
PS 14
- 3
J 6097 - 1
- 2
PS 15
- 3
J 6107 - 1
- 2
PS 16
- 3
J 6108 - 1
- 2
PS 17
- 3
J 6109 - 1
- 2
PS 18
- 3
J 6110 - 1
- 2
PS 19
- 3
J 6111 - 1
- 2
PS 20
- 3
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
J 2218A - 2
J 2218B - 1
J 2219A - 7
J 2219B - 1
J 2219A - 8
J 2219B - 2
Figure 3-107
3. OPERATION AND TIMING
DC controller PCB
5V
Alternates between '1' and '0' while
- 7
transfer belt cleaning web drive motor
PS10DT
- 3
is rotating.
When length of transfer belt cleaning
- 8
PS11DT web falls below specific value, '1'.
(light-blocking plate is at PS11)
When lifter of transfer belt is up, '1'.
- 5
(cut-off in light-blocking plate of lifter
PS12DT
up/down drive cam is at PS12)
When transfer belt lifter is down, '1'.
- 6
PS13DT
(cut-off in light-blocking plate of lifter
up/down drive cam is at PS13)
- 13
When paper is at PS14, '1'.
PS14DT
(when light-blocking plate is at PS14)
When paper is at PS15, '1'.
PS15DT
(when light-blocking plate is at PS15)
5V
When transfer belt home position is
detected, '1'.
(reflecting sticker on transfer belt is at
PS16)
PS16DT
When edge detection lever (front) of
PS17DT
transfer belt is at PS17, '1'.
- 3
When edge detection lever (rear) of
PS18DT
transfer belt is at PS18, '1'.
- 7
When edge detection lever (front) of
PS19DT
transfer belt is at PS19, '1'.
- 8
When edge detection lever (rear) of
PS20DT
transfer belt is at PS20, '1'.
3-7