Samsung ML-2851ND/SEE Service Manual page 85

13) Stains on Back of Page
Description: The back of the page is stained at 47 mm or 62.8mm intervals.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
2. 62.8mm : Pressure roller is
Service Manual
Alignment & Troubleshooting
1. 47mm : Transfer roller is
contaminated.
contaminated.
Perform the OPC Cleaning Mode
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.
4-35
Samsung Electronics