7-27
WorkCentre PE16
Troubleshooting
Service Manual
July 2003
Fault Signs Cause & Check Solution
Ghost & Image
Contamination
• The printed image
is too light or dark,
or partially contami-
nated black.
• Totally contaminat-
ed black.
(Black image print-
ed out)
• The density of print-
outs is too dark and
ghost occurs.
1. The printed image is too light
or dark, or partially contami-
nated black.
(1) Check whether foreign sub-
stance or toner are stuck to
the terminal (contact point)
of the toner cartridge.
(2) Check whether the terminal
assembly is damaged.
2. Totally contaminated black.
(Black image printed out)
(1)Check for foreign substances
stuck to the terminal (contact
point) of the developer and
for damage to the
assembly. (Especially check
the charge roller terminal.)
3. The printed image is dark and
ghost occurs.
(1)Check for foreign substance
on the terminal (point of
contact) of the developer and
for damage to the assembly.
(Especially check the
developing roller terminal.)
1. All of 1, 2, 3 above
(1) Remove toner and foreign
substances on the contacts
of the developer.
(2) The contacts of the unit facing
the developer must also be
cleaned.
(3) If the terminal assembly is
damaged: Replace the broken
part.
2. In case of 2
It is a condition, when the OPC
drum of the toner cartridge is not
electrically charged.
3. In case of 3
It is a condition of the developer
bias voltage. Clean the terminals
of the developing roller, then
recheck it.
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