Samsung ML-1665 - Page 84

Alignment and Troubleshooting
Service Manual
4-36
Samsung Electronics
13) Stains on Back of Page
Description : The back of the page is stained at 39.2 mm intervals.
1. Transfer roller is contaminated.
Print 2 or 3 times. Run Self-Test to
remove the contamination of the
transfer roller.
2. Pressure roller is contaminated.
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.