1-4-46
(1) No image appears (entirely white).
1. Table scanning
Print example
Defective part
Check description
Corrective Action
1
Contact glass assy Check the location the contact
glass is mounted.
Re-mount the contact glass if it is hanged off.
2
FFC cable CCD
Check the FFC cable between
the CCD and control PWB is
properly connected. Or, verify
conduction of the wire.
Reinsert the connector if it its connection is
loose. Or, if conduction is lot, replace the wire.
3
Home position sen-
sor
Check the location the home
position sensor is mounted.
Re-mount the home position sensor if it is
hanged off.
4
Scanner drive belt
Check that the scanner drive belt
is loosely mounted.
If the scanner drive belt is loosely mounted,
secure the screws.
5
Scanner drive gear Check that the scanner drive
gear is loosely mounted.
If the scanner drive gear loosely mounted,
secure the screw.
6
CCD PWB
The CCD PWB is defective.
Replace the ISU and perform U411.
(see page 1-3-54)
7
Control PWB
The control PWB is defective.
Replace the control PWB.(see page 2-2-12)
Service Manual
Y116540
-5
Summary of Contents for d-Copia 4003MF
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Page 484: ...Installation Guide PF 320 Paper Feeder Installation Guide...
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