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Troubleshooting

Service Manual 7-5

7.1.9 Ghosting 1

7.1.10 Ghosting 2

Example Possible Cause Sequence of Repair Actions

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

transfer voltage is required.

a. Ensure supported media is being used and

the correcy type is selected in the printer

driver and software application.

Example Possible Cause Sequence of Repair Actions

Ghosting appears at 75.5 mm on the whole print.

1. Bad contacts caused by

contamination from toner particles

between the high voltage terminals,

the printer, and the electrodes of

the toner cartridge.

2. Bad contacts caused by

contamination from toner particles

between the high voltage terminals

the printer, and the one on the high

voltage supply board.

3. The toner life has expired.

4. The transfer life has expired.

5. The ambient temperature is too

low.

6. There is a damaged cleaning blade

in the toner cartridge.

a. Clean all high voltage contacts.

b. Replace the HVPS.

c. Replace the toner cartridge.

d. Replace the transfer roller.

e. Replace the main board.

Digital Printer

Xerox Phaser 3150 Service Manual

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