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 in Section
6
I
to isolate the cause of the defect.
If the defect
is
on the developed image on
the photoreceptor drum, replace the
charge corotron
(PL
9.2).
If the defect
is
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
is
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
is
corrected, check that the
media
is
being stored correctly.
(Continued)
7192
CQ
21
Streaks (Type
2.2,
Deleted Streaks)
3.86
251012515