Streaks - Xerox 3050 Service Manual

CQ 21 Streaks
(Continued)
Probable Cause Corrective Action
1. There i s moisture on the photoreceptor. 1.
2. Something is blocking the optical path to
2.
the photoreceptor drum.
3. Photoreceptor drum is not being cleaned 3.
correctly.
Empty the moisture collection bottle.
Drain moisture from the media transport.
Check for obstruction in the drain system.
Remove the photoreceptor drum assembly
(REP 9.2) and cover it with a shield. Look
for an obstruction in the optical path.
Enter the diagnostic mode and then
enter code [0913]. Press Start and the
Cleaner Blade Solenoid should
actuate. If
it
does not:
Check the following:
The cleaner blade weight moves
freely (REP 9.4).
Cleaner Blade Solenoid (ADJ 9.1).
Remove the Xerographic module. Check
the following:
The cleaner blade assembly
transitions 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, replace
the cleaner blade (REP 9.4).
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CQ 21 Streaks
3-66 3050