Canon 1000 Service Manual page 484

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Sensor Name
Registration
paper sensor
PS 1
Multifeeder lifter
sensor (upper)
PS 2
Multifeeder lifter
sensor (lower)
PS 3
Multifeeder
paper sensor
PS 4
(front)
Multifeeder
paper sensor
PS 5
(rear)
Oil level sensor
PS 6
Holding tray
front feeding
PS 8
sensor 1
Holding tray
front feeding
PS 9
sensor 2
Transfer belt
cleaning web
rotation sensor
PS10
Transfer belt
cleaning web
PS11 level sensor
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COPYRIGHT © 2001 CANON INC.
Meter probe (+)
Service mode
J2207A-13
801000 bit 0
J2207B-5
801004 bit 2
J2207B-11
801004 bit 3
J2207B-12
801005 bit 0
J2207B-13
801005 bit 1
J2209A-13
802002 bit 2
J2214B-2
801001 bit 6
J2214B-5
801001 bit 7
J2218A-7
802003 bit 7
J2218A-8
802002 bit 3
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Checks
During copying,
• '1' if paper is present over the registration
paper sensor.
• '0' if absent.
After the multifeeder has been selected and the
Start key has been pressed,
'1' when the lifter of the multifeeder moves up.
During standby,
'1' if the lifter of the multifeeder is down.
During standby,
'1' when paper is set in the multifeeder.
During standby,
'1' when paper is set in the multifeeder.
• '1' if the arm is over the sensor.
• '0' otherwise.
• '1' if paper is present over the holding tray
front feeding sensor.
• '0' if absent.
• '0' if paper is present over the holding tray
front feeding sensor 2.
• '1' if absent.
Slide out the transfer unit, and open the transfer
belt assembly. Close the transfer belt assembly
by blocking the light of PS10 by paper; and set
the transfer unit to the copier.
• '1' when the power is ON.
• '0' when the light is not blocked.
Slide out the transfer unit, and open the transfer
belt assembly. Close the transfer belt assembly
by blocking the light of PS11 by paper; and set
the transfer unit to the copier.
• '1' when the power is ON.
• '0' when the light is not blocked.