Cq 2 Background Banding1 Streaks - Xerox 3001 Service Manual

CQ 2 Background Banding1 Streaks Probable Cause Corrective Action
Definition
Background
background
1. Dirty transport platen, platen, exposure 1.
banding is a narrow band of
lamp, or lens.
that appears in the direction of
media feed.
2. Toner on corotron. 2.
3. Photoreceptor drum is not being cleaned 3.
correctly.
WARNING
There will be a time delay between the time
the code [lo] is entered and the time the
motor starts t o turn. The motor will not start
until the fuser is at the correct temperature.
Clean the transport platen and the platen
with Anti-Static Fluid.
If required, apply a small amount of Film
Remover (USO) or General Cleaning
Solvent (EO) t o a towel t o remove excess
contaminants from the lens and exposure
lamp. Then apply Anti-Static Fluid t o the
towel and wipe the lens and exposure
lamp.
Clean, repair, or replace the corotrons and
then perform the Electrostatic Series (ADJ
9.2).
Remove the xerographic module (REP 9.1),
and lightly dust the photoreceptor drum
with zinc stearate. Install the xerographic
module. Enter the diagnostic mode and
enter the codes [ I 0 and 191 t o clean the
photoreceptor drum. Remove the
xerographic module. If the photoreceptor
drum is not cleaned correctly, check the
following components:
Cleaner blade solenoid circuit in the
CQ 15
Residual Image
RAP.
Cleaner blade moves freely (PL 9.3)
Cleaner blade solenoid adjustment
(ADJ 9.1)
Cleaner blade transition gear.
(Continued)
9/98
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CQ 2 Background Banding1 Streaks