Samsung ML-2510 series, Service Manual

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Troubleshooting
Samsung Electronics
Service Manual
6-23
6.5.14 Stains on Back of Page
• Description The back of the page is stained at 47 mm intervals.
Digital
Digital Pri
Digital Printer
Digital Printer
Digital Printer
Check and Cause Solution
1. Transfer roller is contaminated.
2. Pressure roller is contaminated.
1. Perform the OPC Cleaning Mode Print 2 or
3 times. Run Self-Test to remove the conta-
mination of the transfer roller.
2. Replace the transfer roller if contaminated
severely.
3. 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.
6.5.15 Blank Page Print out (1)
• Description Blank page is printed.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Check and Cause Solution
Bad ground contacts in OPC and/or devel-
oper. Remove contamination of the terminals of the
developer and the unit.
6.5.16 Blank Page Print out (2)
• Description
1. Blank page is printed.
2. One or several blank pages are printed.
3. When the printer turns on, several blank pages print.
Check and Cause Solution
1. Bad ground contacts in OPC and/or
developer.
2. Abnormal solenoid.
1. Remove contamination of the terminals of
the developer.
2. Perform the engine self test using DCU to check
if the Solenoid is normal.(refer to code 06)
3. If not solved by the above directions 1-2,
Replace the engine board.
4. Turn the power off, delete the data of PC
and try printing again.