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COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
vi
(point of detection for
registration)......................10-5
B.
Electrical ...............................10-6
1.
Adjusting the Intensity
(VR604) ...........................10-6
2.
Adjusting the AE Mechanism
(VR602, VR603) ..............10-8
III. IMAGE TROUBLESHOOTING 10-11
A.
Making Initial Checks ..........10-11
1.
Site Environment............10-11
2.
Checking the Documents
.......................................10-11
3.
Checking the Copyboard
Cover and Copyboard Glass
for Dirt and Scratches ....10-12
4.
Checking the Lens Array for
Dirt .................................10-12
5.
Checking the Transfer
Charging Roller..............10-12
6.
Checking the Feeding
Assembly .......................10-12
7.
Checking the Copy Paper
.......................................10-12
8.
Checking the Durables ..10-12
9.
Others ............................10-14
B.
Samples of Image Faults ....10-16
C. Troubleshooting by Image Fault
............................................10-17
1.
The copy is too light (halftone
areas only). ....................10-17
2.
The copy is too light (dark
areas as well).................10-17
3.
The copy is too light
(extremely light overall)..10-17
4.
The copy has uneven density
(darker at front). .............10-18
5.
The copy has uneven density
(lighter at front). .............10-18
6.
The copy is foggy (overall).
.......................................10-18
7.
The copy is foggy (paper feed
direction). .......................10-19
8.
The copy has dark lines
(paper feed direction,
relatively narrow). ..........10-19
9.
The copy has dark lines
(paper feed direction, thin).
.......................................10-19
10. The copy has white spots
(paper feed direction).....10-19
11. The copy has white lines
(paper feed direction).....10-19
12. The copy has white spots
(cross feed direction). ....10-20
13. The back of the copy is soiled.
.......................................10-20
14. The copy has faulty fixing.
.......................................10-21
15. The copy has faulty leading
edge registration (blank area
much too wide). .............10-21
16. The copy has faulty leading
edge registration (blank area
too wide). .......................10-21
17. The copy has faulty leading
edge registration (no blank
area). .............................10-21
18. The copy has a blurred image.
.......................................10-22
19. The copy is foggy (cross feed
direction). .......................10-22
20. The copy has poor sharpness
(focus)............................10-22
21. The copy is blank...........10-23
22. The copy is solid black...10-23
IV. TROUBLESHOOTING
MALFUNCTIONS.....................10-24
A.
Troubleshooting Malfunctions
............................................10-24
1.
(self diagnosis;
PC400/FC200)...............10-24
2.
E0 ..................................10-24
3.
E2 ..................................10-25
4.
E6 ..................................10-25
5.
E9 ..................................10-26
6.
AC power is absent........10-26
7.
Pick-up fails. ..................10-27
8.
The scanning lamp fails to go
ON. ................................10-27
9.
The main motor fails to rotate.
.......................................10-28
10. The copyboard fails to move.
.......................................10-28
11.
(paper feeding normally)
.......................................10-29
12.
(at time of jam) ..........10-29
13. The fixing heater fails to
operate...........................10-29
V.
TROUBLESHOOTING PAPER
FEED PROBLEMS ..................10-30
A.
Copy Paper Jams ...............10-30
1.
Pick-Up Assembly..........10-31
2.
Separation/Feeding Assembly
.......................................10-31
3.
Fixing/Delivery Assembly
.......................................10-32