Olivetti d-Copia 6500MF Plus Service Manual page 496

Defective part
Main PWB
12
2. DP-scanning first (front) page
Defective part
The settings of the
adjustment of den-
sity
1
Settings of anti-off-
2
set
Adjustment of the
3
scanner
Contact glass
4
Home position
5
sensor
Scanning position
of the DP
6
FFC cable CCD
7
FFC cable LED
8
Lamp unit
9
LED PWB
10
ISC PWB
11
CCD PWB
12
Main PWB
13
Service Manual
Check description
The main PWB is defective.
Check description
Check the settings of the adjust-
ment of density.
Check the settings of anti-offset. If anti-offset is set to on, set it to off.
Check the automatic adjustment
of the scanner.
Check whether the contact glass
is dirty.
Check the location the home
position sensor is mounted.
Check whether the scanning
position of the DP is wrong.
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.
The main PWB is defective.
Replace the main PWB.(see page 1-5-74)
1. Deactivate EcoPrint if it is activated. Or, if
the density is too low, chosse an image
quality that suits the original docuemt in
type.
2. Increase density.
3. Perform the background color adjustment
using the system menu.
Perform maintenance mode U411,
DP FaceUp(Chart1)_Input(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 home position sensor if it is
hanged off.
If the scanning position of the DP is shifted,
perform maintenance mode U068, DP
Read.(see page 1-3-55)
Reinsert the connector if its connection is
loose. Or, if conduction is lot, replace the wire.
Reinsert the connector if 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)
Replace the main PWB.(see page 1-5-74)
1-4-168
Corrective Action
Corrective Action
Y116520-
2N8/2N7