Samsung ML-1665 Service Manual page 84

13) Stains on Back of Page
Description : The back of the page is stained at 39.2 mm intervals.
1. Transfer roller is contaminated.
2. Pressure roller is contaminated.
Service Manual
Alignment and Troubleshooting
4-36
Print 2 or 3 times. Run Self-Test to
remove the contamination of the
transfer roller .
1. Replace the transfer roller if
contaminated severely .
2. 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 area not to be deformed.
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