Canon GP160DF - Chapter 13 Troubleshooting; Troubleshooting

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13
TROUBLESHOOTING
This chapter describes the main unit’s maintenance servicing, standards and adjust-
ments, faulty image countermeasures, machine malfunction countermeasures, feeding
malfunction countermeasures, layout and functions of electrical components, the ser-
vice mode and self-diagnostic mechanisms.
This chapter contains illustrations of a copier with automatic document feeder (ADF)
attached.
For information regarding the ADF mechanism, refer to the appended ADF-H1 ser-
vice manual.
I. STANDARDS AND ADJUSTMENTS.....13-2
A. Machanical system ..........................13-2
B. Electrical System .............................13-9
II. IMAGE AND MACHINE MALFUNCTION
COUNTERMEASURES .......................13-15
A. Initial check ....................................13-15
B. Treatment procedures by faulty
image type .....................................13-17
C. Operation malfunction
countermeasures ...........................13-26
III. FAULTY FEEDING
COUNTERMEASURES .......................13-34
A. Overview ........................................13-34
B. Copy paper jam..............................13-35
C. Faulty feeding ................................13-38
IV. ELECTRICAL PARTS POSITIONS/
FUNCTIONS ........................................13-39
A. Clutches, solenoids........................13-40
B. Motor, fan.......................................13-42
C. Sensors..........................................13-44
D. Switches, lamps, miscellaneous ....13-46
E. PCBs..............................................13-48
F. Variable resistor(VR)/LED/check
pin listed by PCB plate...................13-50
V. SERVICE MODE..................................13-55
A. Overview ........................................13-55
B. Operating Procedures....................13-56
C. Service mode menu list..................13-57
D. SSSW Default Setting....................13-63
E. Parameter settings.........................13-78
F. Test Mode (TEST MODE)............13-111
VI. REPORTS..........................................13-142
A. User reports .................................13-142
B. Service report...............................13-145
VII. USER ERRORS.................................13-163
VIII. SERVICE ERRORS...........................13-170