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Samsung Electronics
Troubleshooting
Service Manual
7.1.9 Ghost (1)
• Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
75.5 mm
Check and Cause Solution
1. Bad contacts caused by contamination
from toner particles between high voltage
terminal in the main body and the elec-
trode of the Toner cartridge.
2. Bad contacts caused by contamination
from toner particles between high voltage
terminal in the main body and the one in
the HVPS board.
3. The life of toner cartridge is expired.
4. Transfer roller life (60,000 sheets) has
expired.
5. Low ambient temperature (below 10°C).
6. Damaged cleaning blade in the toner
cartridge.
1 and 2. Clean all HV contacts, If problem
persists replace the HVPS.
If problem still persists replace the Main PBA
3. Replace the toner cartridge and try to print
out.
4. Check the transfer roller lifetime and
replace it.
5. Wait about 30 minutes after power on
before using printer.
6. Replace the toner cartridge and try to print
out again
7.1.10 Ghost (2)
• Description
Ghost occurs at 75 mm intervals of the OPC drum in the whole printing.
(When printing on card stock or transparencies using manual feeder)
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
75 mm
Check and Cause Solution
When printing on card stock, thicker than
normal paper or transparencies, such as
OHP, a higher transfer voltage is required.
Ensure that the correct paper type is selected
in the printer driver or application software.
Remember to set back to normal paper after
use.