COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
CHAPTER 6 TROUBLESHOOTING
6-134
4.1.79 The No. 1 mirror base fails to move
Copyboard glass
1) Is the copyboard glass mounted correctly?
NO:
Mount the copyboard glass so that the copyboard glass sensor
(PS57) is actuated correctly.
Copyboard glass sensor (PS57)
2) Measure the voltage of J804-2 of the scanner motor driver. Is it as
follows?
• with the copyboard glass mounted, 5 V
• with the copyboard glass removed, 0 V
NO:
If the voltage remains unchanged when the sensor is pushed by
hand and, in addition, the wiring is normal, replace the sensor.
Cable (broken, displaced)
3) Is the cable used to drive the scanner strung correctly?
NO:
String the cable correctly.
Scanner path (foreign matter)
4) Is the scanner rail free of dirt and does the scanner move smoothly
when pushed by hand?
NO:
Check the surface of the scanner rail for dirt and foreign matter and
for an object that comes into contact with the scanner; as necessary,
clean, lubricate, or repair.
Reference: If the rail is soiled, clean it with alcohol, and apply a small
amount of silicone oil (FY9-6010).
Relay PCB
5) Measure the voltage of J801 on the scanner motor driver PCB.
J801-1: 38 V
J801-3: 12 V
J801-5: -12 V
J801-6: 5 V
NO:
Check the AC line up to the relay PCB; if normal, replace the relay
PCB.
Reader controller PCB
6) Measure the voltage of J1109-A12 on the reader controller PCB. Is
it as follows?
• with the control panel power switch ON, changing from 0 to 5 V
NO:
If the wiring is normal, replace the reader controller PCB.
Scanner motor driver PCB, Scanner motor (M5)
7) Try replacing the scanner motor driver PCB. Is the problem cor-
rected?
YES: End.
NO:
Replace the scanner motor (M5).
Summary of Contents for iR105 Series
Page 547: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR105 REV 0 JULY 2001 APPENDIX ...
Page 561: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 691: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
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Page 1012: ...C 10 COPYRIGHT C 2001 CANON INC STANDARD FASTENERS REV 0 FEB 1992 ...
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