Xerox WorkCentre 7132, Service Documentation

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January 2007
3-9 WorkCentre 7132
IQ7, IQ8
Image Quality Reversion 4.0
IQ7 Deletions RAP
Initial Actions
Reload with fresh, dry paper of the correct specifications. If the problem occurs with heavy-
weight paper, ensure that the correct selections are being made on the print driver and/or UI. If
the problem is not resolved, continue with this RAP.
NOTE: Small white deletions with a sharp edge are usually caused by Fuser offsetting. Go to
the IQ16 Spots RAP.
Procedure
The problem is Debris-Centered Deletions.
Y
N
Print Test Pattern 59 at 50% coverage for each color. The defect is present for all col-
ors.
Y
N
Make several prints of the Test Pattern in the affected color. The defect is present
in approximately the same location on all letter-size prints.
Y
N
Remove the Drum cartridge. Check for light from the Erase Lamp along the
mounting left side The Erase lamp is lit.
Y
N
Replace the Drum Cartridge.
Go to BSD 9.6. Check for an open circuit. If the wires are OK, replace the Erase
Lamp (PL 4.1). If the problem continues, replace the MCU PWB (PL 11.1).
Remove the ROS. Examine the ROS windows for dirt or damage. Clean or replace
as required (PL 3.1).
Examine the surface of the Drum Cartridge. Check for dents, scratches, or contamination
such as fingerprints, etc. The drum is free from damage.
Y
N
Clean or replace the Drum Cartridge.
Check the IBT Belt (PL 6.2) for dirt, damage, or contamination. Clean/replace as required.
Check the 2nd BTR (PL 2.7) for damage or wear. Clean or replace if required.
Examine the spot in the center of the DCD. Replace the Developer (PL 5.1) and Toner Car-
tridge for the affected color. If the problem persists, replace the Developer Housing for the
affected color (PL 5.2).
IQ8 Color-to-Color Misregistration RAP
Procedure
The problem involves a single color.
Y
N
Check that the ROS is securely mounted and that the ROS window is not dirty or dam-
aged. If the problem persists, replace the ROS (PL 3.1).
Check the mounting of the Developer Housing for the affected color. Ensure that it is installed
correctly and that it is free from damage. Repair or replace as required (PL 5.2).