Iq5 Residual Image (Ghosting) Rap; Iq6 Iot Background Rap - Xerox WorkCentre 7132 Service Documentation

IQ5 Residual Image (Ghosting) RAP

Initial Actions
• Check the end-of-life counter for the Drum Cartridge. If the unit is at or near end-of-life,
replace the Drum Cartridge (PL 4.1).
NOTE: Some ghosting on transparencies is unavoidable.
• If the problem occurs only with certain types of media, ensure that the media in use is
within specification, and that the customer is aware of correct operation of print driver.
• If the distance between the intended image and the residual image has a fixed rate of rep-
etition, go to the IQ14 RAP. Return to this procedure if the problem persists.
Procedure
The Erase lamp is lit.
Y N
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 Fuser. Examine the Heat Roll and Pressure Roll for evidence of toner offsetting.
There is Toner adhering to the Heat Roll.
Y N
Check for a residual image on the Transfer Belt. Repair or replace the IBT Cleaner (PL
6.1).
Check the 2nd BTR for contamination. Clean/replace as required
Clean the Heat Roll. If the problem continues, replace the Fuser (PL 7.1). If the problem per-
sists, go to the IQ21 RAP. Check for a short circuit in the Developer bias circuit of the affected
color.
Image Quality
IQ5, IQ6

IQ6 IOT Background RAP

This RAP is used when the output image shows background greater than the specification.
Initial Actions
NOTE: Some background is unavoidable on certain media, such as heavyweight paper and
transparencies. Ensure that the customer selects the correct settings on the UI and print driver.
Check access mode to make sure all density settings are set to normal settings.
Perform Max Setup (ADJ 9.1.2). If this does not resolve the problem, continue with this RAP.
NOTE: After replacing the developer material, clean the ADC Sensor and reset the Developer
NVM's (REP 4.2.7).
Procedure
Print Test Pattern 54 or 53. Background is present.
Y N
Go to Final Actions.
Background is present in all four colors.
Y N
Replace the Developer Material for the faulty color. If the problem continues, replace the
Developer Housing for the faulty color.
Go to IQ21 Developer Bias/1st BTR RAP. The RAP fixes the problem.
Y N
Replace the Developer HVPS (PL 11.1).
Go to Final Actions.
January 2007
3-8
Reversion 4.0
WorkCentre 7132