Samsung SCX-6320F/XEC Service Manual page 128

Fault
Ghost & Image • The printed image is too
Contamination light or dark, or partially
contaminated black.
• Totally contaminatedblack.
(Black image printed out)
Samsung Electronics
Signs Cause & Check
1. The printed image is too light or
dark, or partially contaminated
black.
(1)Check whether foreign sub
stance or toner are stuck to
the terminal(point of contact)
of the toner cartridge.
(2)Check whether the terminal
assembly is normal.
2. Totally contaminated black.
(Black image printed out)
(1)Check whether foreign sub
stances are stuck to the terminal
(point of contact) of the toner
cartridge and the drum cartridge
and the state of assembly.
(Especially check the charged
roller terminal.)
Troubleshooting
Solution
1. All of 1, 2, 3 above
(1)Remove toner and foreign
substances adhered to the
contact point of the toner
cartridge.
(2)The contact point of the unit
facing that of the toner cartridge
also must be cleaned.
(3)If the terminal assembly is
unsafe:
• Fully stick the terminal to or
reassemble it after disassembling.
• Disassemble the side plate and
push the terminal to be stuck,
then reassemble it.
2. In case of 2
It is a phenomenon when the
OPC drum of the drum cartridge
is not electrically charged. Clean
the terminals of the charged
roller, then recheck it.
Service Manual
7-31