Canon LBP-2000 Service Manual page 166

CHAPTER 4
2-16. Image wobble
<Possible Causes>
1. The setting and the type of paper used do not match.
Action: Correct the setting to suit the type of paper used.
2. The transfer charging roller is faulty.
Action: Replace the transfer charging roller.
Location
Cassette pickup roller
Paper feeder feeding roller
Registration roller
Primary charging roller
Photosensitive drum
Developing cylinder
Transfer charging roller
Fixing roller
Pressure roller
4 - 16
Table 4-2-1
Dirt or White Spots at Specific Intervals in the Images
Diameter Interval
(mm; approx.) (mm; approx.)
36 113
14 44
16 50
17 53
30 97
20 50
16 55
31
97
25 79
Symptom
Dirt White spot Soiled back Fixing fault