COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11
TROUBLESHOOTING
I. MAINTENANCE AND
INSPECTION ............................ 11-3
A. Image Adjustment Basic
Procedure........................... 11-3
B. Points to Note for
Servicing ............................ 11-4
II. STANDARDS AND
ADJUSTMENTS ....................... 11-5
A. Mechanical ......................... 11-5
B. ADF .................................. 11-30
C. Electrical........................... 11-41
III. TROUBLESHOOTING IMAGE
FAULTS ................................... 11-48
A. Making Initial Checks ....... 11-48
B. Sample Image Faults ....... 11-52
C. Troubleshooting Image
Faults................................ 11-53
IV. TROUBLESHOOTING
MALFUNCTIONS.................... 11-61
A. Troubleshooting
Malfunctions ..................... 11-61
V. TROUBLESHOOTING FEEDING
PROBLEMS ............................ 11-75
A. Copy Paper Jam............... 11-75
B. Faulty Feeding.................. 11-78
VI. ARRANGEMENT AND
FUNCTIONS OF ELECTRICAL
PARTS..................................... 11-79
A. Sensors and Solenoids .... 11-79
B. Switches ........................... 11-80
C. Lamp, Heater, Motor, Etc. 11-81
D. PCBs ................................ 11-82
E. ADF .................................. 11-83
F. Variable Resistors (VR) and
Check Pins by PCB .......... 11-84
VII. SELF DIAGNOSIS .................. 11-86
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