1-4-61
(9) Black dots appear on the image.
1. Table scanning
2. DP-scanning
Print example
Defective part
Check description
Corrective Action
1
Original document
Check whether the original
document is dirty.
If the original document is dirty, replace.
2
Contact glass
Check whether the contact glass
is dirty.
If the contact glass is dirty, clean the contact
glass, and the bottom part of the shading plate.
3
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 its connection is
loose. Or, if conduction is lot, replace the wire.
4
Control PWB
The control PWB is defective.
Replace the control PWB.(see page 2-2-12)
Defective part
Check description
Corrective Action
1
Original document
Check whether the original
document is dirty.
If the original document is dirty, replace.
2
Slit glass
Check whether the slit glass is
dirty.
If the contact glass is dirty, clean the contact
glass, and the bottom part of the shading plate.
3
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 its connection is
loose. Or, if conduction is lot, replace the wire.
4
Control PWB
The control PWB is defective.
Replace the control PWB.(see page 2-2-12)
Service Manual
Y116
540-5
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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