Troubleshooting
Service Manual 7-7
7.1.14 Stains on the Back of the Page
7.1.15 Blank Page is Printed 1
7.1.16 Blank Page is Printed 2
Example Possible Cause Sequence of Repair Actions
The back of the page is stained at 47 mm intervals.
1. Transfer roller is contaminated.
2. Pressure roller is contaminated.
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.
Example Possible Cause Sequence of Repair Actions
The printed page is blank.
1. Bad ground contacts in the OPC
and/or toner cartridge.
a. Clean the ground terminals on the toner
cartridge and inside the printer.
b. Check the OPC ground or the OPC diode
for defects or an open circuit (inside left side
of printer).
Example Possible Cause Sequence of Repair Actions
Blank page is printed, one or several blank pages are printed, or when the printer is first powered on several blank
pages are printed.
1. Bad ground contacts in the OPC
and/or toner cartridge.
2. Defective solenoid.
a. Delete all print jobs in the queue and cycle
power to the printer and try printing again.
b. Clean the ground terminals on the toner
cartridge and inside the printer.
c. Check the OPC ground or the OPC diode
for defects or an open circuit (inside left side
of printer).
d. Run the engine self test using the DCU
(refer to code 6) to check the solenoid.
e. Replace the main board.
Digital
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Digital Printer
Digital Printer
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igital Printer
igital Printer
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