7-7
Samsung Electronics
TROUBLESHOOTING
Service Manual
7.1.13 Satins on Back of Page
• Description The back of the page is stained at 57 or 92 mm intervals.
Check and Cause Solution
1. 57mm : Transfer roller is contaminated.
2. 92mm : 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.
7.1.14 Blank Page Print out (1)
• Description Blank page is printed.
Check and Cause Solution
Bad ground contacts in OPC and/or toner
cartridge.
Remove contamination of the terminals of the
toner cartridge and the unit.
7.1.15 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 toner
cartridge.
2. Abnormal solenoid.
1. Remove contamination of the terminals of
the toner cartridge.
2. Perform the engine self test using EDC Mode to
check if the Solenoid is normal.
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.
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