Xerox WorkCentre PE120 Service Manual page 105

7.3.12 Ghosting 4
Example
White ghosting occurs every 32 mm on a black image.
1. The life of the toner cartridge may
be expired.
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2. Abnormal output from the HVPS.
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7.3.13 Contamination on the Front of the Page
Example
There is contamination on the front side of the printed page (toner speckles).
1. Toner leakage due to an improperly
sealed toner cartridge.
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2. The charge roller may be
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contaminated.
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7.3.14 Contamination on the Back of the Page
Example
The back of the page is stained at 47 mm intervals.
1. Transfer roller is contaminated.
2. Pressure roller is contaminated.
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Possible Cause
Possible Cause
Possible Cause
Service Manual
Sequence of Repair Actions
a. Replace the toner cartridge.
b. Check the HVPS supply voltage.
c. Clean all high voltage terminals on the
cartridge and in the printer.
d. Replace the HVPS.
Sequence of Repair Actions
a. Run the PC cleaning mode print 2 to 3 times
and perform the self test 2 to 3 times to
remove contamination.
b. Replace the toner cartridge.
Sequence of Repair Actions
a. Run the OPC cleaning mode print 2 to 3
times then run the self test to remove
contamination from the transfer roller.
b. Replace the transfer roller.
c. Replace the fuser.
Troubleshooting
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