Olivetti d-Copia 6500MF Plus Service Manual page 498

(4) The background is colored.
Print example
1. Table scanning
Defective part
Original document
1
Adjustment of the
scanner
2
Contact glass
3
Contact glass assy Check the location the contact
4
Home position
5
sensor
FFC cable CCD
6
FFC cable LED
7
Lamp unit
8
LED PWB
9
ISC PWB
10
CCD PWB
11
Service Manual
Check description
1. Check if the background
density of the original
document is too dense.
2. Check if the original
document is floated during
scanning.
Check the automatic adjustment
of the scanner.
Check whether the contact glass
is dirty.
glass is mounted.
Check the location the home
position sensor is mounted.
Check the FFC cable between
the CCD sensor and ISC PWB is
properly connected. Or, verify
conduction of the wire.
Check the FFC cable between
the LED PWB and ISC PWB is
properly connected. Or, verify
conduction of the wire.
Check the location the lamp unit
is mounted.
Check that the LED is lit.
The ISC PWB is defective.
The CCD PWB is defective.
1. If the background density of the original
document is too dense, perform automatic
background adjustment.Or, adjust density
with background adjustment.
2. If the original document is floated during
scanning, press down the original
document.
Perform maintenance mode U411,
table(Chart1)_All.
(see page 1-3-152)
If the contact glass is dirty, clean the contact
glass, and the bottom part of the shading plate.
Re-mount the contact glass if is hanged off.
Re-mount the home position sensor if it is
hanged off.
Reinsert the connector if its connection is
loose. Or, if conduction is lot, replace the wire.
Reinsert the connector if it its connection is
loose. Or, if conduction is lot, replace the wire.
Re-mount the lamp unit if it is hanged off.
If the LED is not lit, replace the LED PWB and
perform U411.
Replace the ISC PWB and perform U411.
(see page 1-3-152)
Replace the ISU and perform U411.
(see page 1-3-152)
1-4-170
Corrective Action
Y116520-
2N8/2N7