TROUBLESHOOTING
This chapter provides tables of maintenance/inspection, standards/adjustments, and identification of
problems (image fault/malfunction).
I.
TABLES .................................................. 10-1
II. STANDARDS AND ADJUSTMENTS .... 10-5
MALFUNCTIONS ................................. 10-42
A. Copier ............................................. 10-42
V. TROUBLESHOOTING FEEDING
PROBLEMS .......................................... 10-66
A. Copy Jams ..................................... 10-66
B. Faulty Feeding ................................ 10-69
VI. ARRANGEMENT AND FUNCTIONS
OF ELECTRICAL PARTS .................... 10-70
COPYRIGHT © 1998 CANON INC.
CHAPTER 10
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
A. Sensors and Switches ................... 10-70
B. Motors, Fans, Clutches,
and Solenoids ................................. 10-72
C. Heaters, Lamps, and Others .......... 10-74
D. PCBs .............................................. 10-76
E. Variable Resistors, Light-Emitting
Diodes, and Check Pins by PCB ... 10-77
VII. SERVICE MODE .................................. 10-82
A. Outline ............................................ 10-82
B. Using Service Mode ....................... 10-82
C. Using Adjust Mode and
Function Mode ................................ 10-83
D. Display Mode [1] ............................ 10-84
E. I/O Display Mode [2] ....................... 10-88
G. Function Mode [4] .......................... 10-94
H. Option Mode [5] .............................. 10-95
I.
Counter Mode [6] ........................... 10-97
J. Application Mode [7] ....................... 10-98
VIII. SELF DIAGNOSIS .............................. 10-99
A. Copier ............................................. 10-99
C. Sorter ............................................ 10-104
D. Cassette Feeding Module ............ 10-104