Xerox 2510 Service Manual page 200

CQ 21 Streaks (TYPE 2.2, Deleted
Streaks)
Probable Cause
Corrective Action
Definition
Copy defects that appear in the process
direction (from lead edge to trail edge).
Streaks may be uniform (deletions with a
clearly defined pattern), nonuniform
(deletions with no clearly defined pattern),
or periodic. The deleted streak did not
follow the photoreceptor drum.
1.
Contaminated or defective corotrons. 1. Make a copy and perform the Image on
Drum (Panic Stop) procedure i n Section 6
I
to isolate the cause of the defect.
If the defect i s on the developed image on
the photoreceptor drum, replace the
charge corotron
(PL 9.2).
If the defect i s not on the photoreceptor
drum, but
it is on
the media, replace the
transfer corotron
(PL 8.6).
Perform the Electrostatic Series (2510 ADJ
9.2; 25
15
AD1 9.3).
2. The light leaks because the covers are 2. Ensure that the covers are not damaged
misadjusted or are loose. and are seated correctly.
3. The light lens seal i s loose from the 3. Replace the light lens seal (PL 6.1).
magnet.
4.
Damaged media or damp media.
4.
Cut sheet media
Make a copy using a sheet of media from
ta new pack of media.
If the problem i s corrected, check that the
media is being stored correctly.
(Continued)
7192
CQ 21 Streaks (Type 2.2, Deleted Streaks)
3.86
251012515