1.7 VERTICAL WHITE LINES OR BANDS-2 (THIN, DISTINCT)
- Problem -
Vertical white lines appear on the copy.
- Possible Causes -
1. Paper dust on the edge of the cleaning blade
2. Scratched drum
3. Scratched hot roller
- Action -
Remove the cleaning blade. Clean and inspect the edge of the blade. Is the
edge of the cleaning blade deformed?
No Yes
Replace the cleaning blade.
Make a copy and stop the machine when the paper reaches the transport
section. Do white lines appear on the copy?
No Yes
Replace the drum.
Replace the hot roller if it is scratched.
A219T504.wmf
Trouble-
shooting
20 December 1996 COPY QUALITY
7-9
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