Cq 8 Edge Banding - Xerox 3050 Service Manual

CQ 8 Edge Banding
Probable Cause Corrective Action
1. High background or BandingIStreaks.
1.
2. Photoreceptor drum is not being cleaned 2.
correctly.
3. Distribution of developer material within
3.
the developer housing is uneven
.
Definition
4.
Contamination on the ends of corotrons, 4.
Edge banding is a black band on any edge of
Exposure Lamp, or Lens.
the copy.
Go t o the CQ 1 Uniform Background RAP
or go t o CQ 2 Background BandingIStreaks
RAP.
Enter the diagnostic mode and then enter
code [09131. Press Start and the cleaner
blade solenoid should actuate.
If it does not,
Check the following:
Cleaner Blade Solenoid (ADJ 9.1).
The cleaner blade weight moves
freely (REP 9.4):
The cleaner blade assembly
translates across the photoreceptor
drum.
No wires are interfering with the
cleaner blade weight.
Cleaner auger and belt.
Remove the photoreceptor drum and
check the following for damage or
contamination:
Cleaner blade seal assembly (REP
9.4)
Cleaner blade (REP 9.4)
Cleaner blade retainers (REP 9.4)
Drum seal
If the cleaning problem persists, change
the cleaner blade (REP 9.4).
Ensure that the copier i s level.
Clean corotron with a brush, repair, or
replace. Clean Lamp or Lens.
(Continued)
CQ 8 Edge Banding