Canon 1000 Service Manual page 487

Sensor Name
Duplexing
reversal sensor
PS 33
Delivery sensor
PS 34
Internal delivery
sensor
PS 35
Upper web level
sensor
PS 36
Scanner home
position sensor
PS 37
Delivery vertical
path sensor 1
PS 38
Pattern reading
assembly
PS 39
shutter closed
sensor
Pattern reading
assembly
PS 40
shutter open
sensor
Paper deck
paper absent
PS 8001
sensor
COPYRIGHT © 2001 CANON INC.
Meter probe (+)
Service mode
J2211A-10
801001 bit 5
J2211A-11
801001 bit 3
J2211B-5
801001 bit 2
J2209A-2
802002 bit 3
Reader unit controller
J1306A-5
–
J2211B-8
801002 bit3
J2241-4
804004 bit 6
J2241-7
804004 bit 7
J2223A-7
801005 bit 6
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
'1' when paper is present in the duplexing
reversing assembly.
• '0' when absent.
• '1' when paper is put over the delivery sensor.
• '0' otherwise.
• '1' when paper is put over the internal delivery
sensor.
• '0' otherwise.
During standby,
• '1' when the detecting lever is put over the
sensor.
• '0' otherwise.
During standby, remove the copyboard glass.
• '1' when the light-blocking plate is put over
PS37.
• '1' when paper is put over the delivery vertical
path sensor 1.
• '0' otherwise.
Execute 'FUNC > F-MISCp > MTR' in service
mode to operate the shutter.
PS39: '1' at first; '0' when operation starts;
then, '1' in about 10 sec.
PS40: '0' at first; '1' about 5 sec after operation;
then, '0' once again.
• '1' if paper is in the paper deck.
• '0' otherwise.
Checks
7-51