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Samsung Electronics
Troubleshooting
Service Manual
7.1.14 Stains on Back of Page
• Description The back of the page is stained at 46.5 or 58.7 mm intervals.
Digital
Digital Pri
Digital Printer
Digital Printer
Digital Printer
Check and Cause Solution
1. 46.5mm : Transfer roller is contaminated.
2. 58.7mm : Pressure roller is contaminated.
1. Perform the OPC Cleaning Mode Print 2 or
3 times. Run Self-Test to remove the
contamination from the transfer roller.
Note. Replace the transfer roller if
contaminated severely.
2. Disassemble the fuser and clean the
H/R(Heat Roller) and P/R(Pressure roller).
Check and clean the area between the
H/R and the Thermistor. (Caution: Take
care not to deform the rollers.)
7.1.15 Blank Page Print out (1)
• Description Blank page is printed.
Check and Cause Solution
Bad ground contacts in OPC and/or toner
cartridge.
1. Check if the Ground-OPC or the OPC
Ground Zener diode are defective or open
circuit. (set inside left side).
2. Remove contamination of the terminals on
the toner cartridge and the unit.
7.1.16 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. Abnormal solenoid.
1. Perform the engine self test using TECH
Mode to check if the Solenoid is normal.
If the problem persists replace the main
PBA