Xerox Phaser 3300 Servce Manual page 114

General Troubleshooting
Defect Symptom
Ghost & Image
is too light or dark, or
Contamination
partially contaminated
black.
contaminated black.
(Black image printed
out)
outs is too dark and
ghost occurs.
4-22
Cause & Check
The printed image 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 print
cartridge.
(2) Check whether the terminal
assembly is normal.
Totally 2. Totally contaminated black. (Black
image printed out)
(1) Check whether foreign substances
are stuck to the terminal (point of
contact) of the print cartridge and the
state of assembly. (Especially check
the charged roller terminal.)
The density of print- 3. The printed image is dark and
ghost occurs.
(1) Check foreign substance attached
to the terminal
(point of contact) of the print
cartridge and the state of assembly.
(Especially check the developing
roller terminal.)
Solution
1. All of 1, 2, 3 above:
(1) Remove toner and foreign
substances adhered to the print
cartridge contact points.
(2) Clean the terminals on the frame
that make contact with the Print
Cartridge contacts.
(3) If one or more of the terminals is
jammed and/or not fully extended:
Remove the side plate that covers
the terminals (between the duplex
fan and the connection board).
Push the jammed terminal to free
it or, if necessary, carefully
disassemble then reassemble the
terminal and spring assembly.
2. In case of 2:
This phenomenon occurs when the
OPC drum is not electrically
charged. Clean the terminals of the
charged roller, then recheck it.
3. In case of 3:
It is a phenomenon as the
developing bias voltage of the print
cartridge. Clean the terminals of the
developing roller, then recheck it.
Phaser 3300MFP Service Manual