Background Contamination; Ghosting 1 - Xerox WorkCentre PE120 Service Manual

7.3.8 Background Contamination

Example
Light or dark background contamination appears all over the paper.
1. Using unsupported media.
2. Printing large quantities of low
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coverage (2%) pages or not using
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the printer for a long period of time.
3. The toner cartridge life has expired.
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4. The transfer rollers up/down
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movement is off.
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5. There is a problem with the HVPS.

7.3.9 Ghosting 1

Example
There is ghosting at 75.5 mm intervals from the OPC drum while printing on card stock, transparencies or using the
MPT.
1. When printing on card stock, thick
paper or transparenices a higher
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transfer voltage is required.
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Possible Cause
Possible Cause
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Sequence of Repair Actions
a. Use only approved media.
b. The toner cartridge is designed to print
5,000 sheets at 5% coverage. If 2% is
consistently used, background
contamination can occur.
c. Replace the toner cartridge.
d. Clean the transfer roller bushings.
e. Clean the high voltage terminals.
f. Replace the HVPS.
Sequence of Repair Actions
a. Ensure supported media is being used and
the correcy type is selected in the printer
driver and software application.
Troubleshooting
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