Canon PC921 Manual Do Utilizador
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.
INSPECTION ............................ 11-3
A.
Image Adjustment Basic
Procedure ........................... 11-3
Procedure ........................... 11-3
B.
Points to Note for
Servicing ............................ 11-4
Servicing ............................ 11-4
II.
STANDARDS AND
ADJUSTMENTS ....................... 11-5
A.
ADJUSTMENTS ....................... 11-5
A.
Mechanical ......................... 11-5
B.
ADF .................................. 11-30
C. Electrical ........................... 11-41
III. TROUBLESHOOTING IMAGE
FAULTS ................................... 11-48
A.
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
Malfunctions ..................... 11-61
V.
TROUBLESHOOTING FEEDING
PROBLEMS ............................ 11-75
A.
PROBLEMS ............................ 11-75
A.
Copy Paper Jam ............... 11-75
B.
Faulty Feeding .................. 11-78
VI. ARRANGEMENT AND
FUNCTIONS OF ELECTRICAL
PARTS ..................................... 11-79
A.
PARTS ..................................... 11-79
A.
Sensors and Solenoids .... 11-79
B.
Switches ........................... 11-80
C. Lamp, Heater, Motor, Etc. 11-81
D.
D.
PCBs ................................ 11-82
E.
ADF .................................. 11-83
F.
Variable Resistors (VR) and
Check Pins by PCB .......... 11-84
Check Pins by PCB .......... 11-84
VII. SELF DIAGNOSIS .................. 11-86