COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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B. Image Fault Samples ..................... 10-28
C. Troubleshooting Image Faults ....... 10-29
1. The copy is too light.
(halftone area only).................. 10-29
2. The copy is too light.
(including solid black area) ...... 10-30
3. The copy is too light.
(entirely, considerably)............. 10-30
4. The copy has uneven density.
(front side dark)........................ 10-31
5. The copy has uneven density.
(front side light) ........................ 10-31
6. The copy is foggy. (overall)...... 10-32
7. The copy is foggy. (vertical) ..... 10-33
8. The copy has black lines.
(vertical, fuzzy, thick) ............... 10-33
9. The copy has black lines.
(vertical, thin)............................ 10-33
10. The copy has white spots.
(vertical).................................... 10-34
11. The copy has white lines.
(vertical).................................... 10-34
12. The copy has white spots.
(vertical).................................... 10-35
13. The back of the copy is soiled. .. 10-36
14. The copy has faulty fixing. ....... 10-37
15. The copy has a displaced
leading edge............................. 10-38
16. The copy has a displaced
leading edge............................. 10-38
17. The copy has a displaced
leading edge............................. 10-38
18. The copy has a blurred image. .. 10-39
19. The copy is foggy.
(horizontally)............................. 10-39
20. The copy has poor sharpness. .. 10-40
21. The copy is blank. .................... 10-41
22. The copy is solid black............. 10-41
IV. TROUBLESHOOTING
MALFUNCTIONS................................. 10-42
A. Copier............................................. 10-42
1. E000 ......................................... 10-42
2. E001 ......................................... 10-43
3. E002/E003 ............................... 10-44
4. E004 ......................................... 10-45
5. E010 ......................................... 10-45
6. E013 ......................................... 10-46
7. E030 ......................................... 10-46
8. E031 ......................................... 10-47
9. E202 (The keys on the control
panel fail to operate.) ............... 10-47
10. E208 ......................................... 10-48
11. E210 ......................................... 10-48
12. E220 ......................................... 10-49
13. E261 ......................................... 10-49
14. E710/E711 ............................... 10-49
15. E712 ......................................... 10-50
16. E717 ......................................... 10-50
17. E800 ......................................... 10-51
18. E805 ......................................... 10-51
19. E821 ......................................... 10-51
20. AC power is absent.................. 10-52
21. DC power supply is absent. ..... 10-53
22. The scanner fails to move........ 10-54
23. The lens fails to move. ............. 10-55
24. The mirror fails to move. .......... 10-55
25. The scanning lamp
fails to turn on........................... 10-56
26. The pre-exposure lamp
fails to turn on........................... 10-57
27. The blank exposure lamp
fails to turn on........................... 10-57
28. Pick-up fails. (cassette)............ 10-58
29. Pick-up operation fails.
(multifeeder) ............................. 10-59
30. The registration roller fails
to rotate. ................................... 10-59
31. The fixing heater fails to
turn on. ..................................... 10-60
32. The Add Toner indicator
does not flash/turn on. ............. 10-60
33. The Add Toner indicator fails
to turn off. ................................. 10-61
34. The Waste Toner Box Full i
ndicator fails to flash/turn on.... 10-61
35. The Waste Toner Box Full
indicator fails to turn off............ 10-62
36. The Add Paper indicator
fails to flash. ............................. 10-62
37. The Add Paper indicator
fails to turn off........................... 10-63
38. The Jam indicator fails to
flash.......................................... 10-63
39. The Jam indicator fails to
turn off. ..................................... 10-64
40. The Set Control Card indicator
fails to turn on........................... 10-64
41. The Set Control Card indicator
fails to turn off........................... 10-65
V. TROUBLESHOOTING FEEDING
PROBLEMS.......................................... 10-66
A. Copy Jams ..................................... 10-66
1. Pick-Up/Feeding Assembly...... 10-67
2. Fixing/Delivery Assembly......... 10-68
B. Faulty Feeding................................ 10-69
1. Double Feeding ........................ 10-69
2. Wrinkles.................................... 10-69
VI. ARRANGEMENT AND FUNCTIONS
OF ELECTRICAL PARTS.................... 10-70
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