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January 2007

3-11

WorkCentre 7132

IQ12

Image Quality

Reversion 4.0

IQ12 Process Direction Bands, Streaks, and Smears RAP

Initial Actions

• Clean the IBT Cleaner. Check for wear or damage

• Check the stripper baffle in the Fuser for contamination.

• Check the 2nd BTR and the Detack Sawtooth for Toner contamination.

Procedure

NOTE: The repetition rate for Transfer Belt defects varies considerably, depending on paper

size and mode of operation. The defect may appear every sheet, or may occur every other

sheet.

The defect occurs in approximately the same position on multiple prints.

If the defect occurs intermittently, examine the Developer Housings for evidence of toner

clumping. If clumping is found, replace the Developer (PL 5.2). if this does not resolve the

problem

The defect is a full-width (LE - TE) Streak Deletion in Process Direction.

Remove the Fuser Assembly. Examine the Heat Roll for damage or contamination. Clean

or replace as required (PL 7.1).

Check the IBT Cleaner (PL 6.1). Ensure that the blade and the Mylar backing are free

from damage. Check that the auger turns freely. Clean repair or replace as required

Check the Developer Housing (PL 5.2). Repair or replace as required.

Check the Drum Cartridge for defects, nicks, sport and/or contamination.

If the problem is related to a single color, replace the Drum Cartridge (PL 4.1).

Print Test Pattern 59 at 20% coverage pattern for all colors. The defect is present for all col-

ors.

• Go to BSD 9.5 to check the 1st BTR bias circuit.

• Replace the Developer Housing (PL 5.2) for the affected color. Check the housing

for damage or toner clumping.

• If the problem continues, replace the HVPS (PL 11.1).

Check the ROS window for damage or contamination. Clean or replace as required.

Remove the IBT Cleaner (PL 6.1). Inspect the cleaning blade and Mylar seal for damage.

Clean or replace as required.

If the IBT Cleaner is OK, check the IBT Belt (PL 6.2) for damage or contamination. Ensure that

there is no debris or loose wiring, etc. in contact with the belt. Clean or replace as required.

Xerox WorkCentre 7132 Service Documentation

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