2NM/2NX/2NY/2NZ/2P0/2P6
1-4-76
(2) No image appears (entirely black).
Print example
Cause of trouble
1. No main charging.
2. The laser from the LSU is activated simultaneously.
Defective part
Check description
Corrective Action
1
Charging roller
Check whether the charging
roller is properly mounted.
If the charging roller is not fixed properly, fix the
roller properly.
Check whether the connecting
terminals of the charging roller
and high-voltage PWB are
deformed.
If the connecting terminals are deformed,
correct for a proper conduction.
2
High voltage PWB
Check the connection of the con-
nectors. Or, verify conduction of
the wires.
Reinsert the connector if its connection is
loose.
Replace the cable if it has no conduction.
High voltage PWB (YC101) and control PWB
(YC19) :Charger
Main charging current supplied
by the high voltage PWB is
faulty.
Replace the high voltage PWB.
(see page 2-2-20)
3
Laser scanner unit
(LSU)
Switching on and off the laser
diode on the LSU PWB is out of
control.
Replace the LSU. (see page 1-5-25)
4
Control PWB
The control PWB is detective.
Replace the control PWB.(see page 2-2-12)
Содержание P-4030 MFP
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Страница 19: ...2NM 2NX 2NY 2NZ 2P0 2P6 5 Installation Guide PF 320 Paper Feeder ...
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Страница 347: ...2NM 2NX 2NY 2NZ 2P0 2P6 1 5 61 Figure 1 5 103 Exit unit Screw Screws Connector Hooks Wire 40 ppm model ...
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Страница 486: ...Installation Guide PF 320 Paper Feeder Installation Guide ...
Страница 487: ...PF 320 㾌㙼 㾌㙼 PF 320 PF 320 PF 320 㪧㪝㪄㪊㪉㪇 㪧㪝㪄㪊㪉㪇䈱 㪧㪝㪄㪊㪉㪇G 㾌 㾌 PF 320 PF 320 ...
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