Dell 1135N Service Manual page 116

14) Stains on Back of Page
Description : The back of the page is stained at 47 mm or 62.8mm intervals.
2. 62.8mm : Pressure roller is
Service Manual
Alignment and Troubleshooting
1. 47mm : Transfer roller is
contaminated.
contaminated.
1. Replace the transfer roller if
contaminated severely.
2. Perform the OPC Cleaning Mode
Print 2 or 3 times. Run Self-Test
to remove the contamination of
the transfer roller.
Disassemble the fuser and clean
the H/R(Heat Roller) and P/R
(Pressure roller). And check the
area between H/R and Thermistor.
If contaminated, clean the thermistor,
be careful not to bend its mounting
bracket.
4-43