Samsung SCX-4100 Service Manual page 70

7.1.9 Ghost (1)
• Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
Digital Printer
1. Bad contacts caused by contamination
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
2. Bad contacts caused by contamination
3. The life of toner cartridge is expired.
4. Transfer roller life (60,000 sheets) has
5. Low ambient temperature (below 10°C).
6. Damaged cleaning blade in the toner
7.1.10 Ghost (2)
Ghost occurs at 75 mm intervals of the OPC drum in the whole printing.
• Description
(When printing on card stock or transparencies using manual feeder)
Digital Printer
Digital Printer When printing on card stock, thicker than
normal paper or transparencies, such as
Digital Printer
OHP, a higher transfer voltage is required.
Digital Printer
Digital Printer
Digital Printer
Samsung Electronics
Check and Cause
from toner particles between high voltage
terminal in the main body and the elec-
trode of the Toner cartridge.
from toner particles between high voltage
terminal in the main body and the one in
the HVPS board.
expired.
cartridge.
Check and Cause
Solution
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
Solution
Ensure that the correct paper type is selected
in the printer driver or application software.
Remember to set back to normal paper after
use.
Troubleshooting
Service Manual
7-5