Canon Vizcam 1000, Service Manual

Page: 51 / 840

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