Olivetti d-Copia 1801MF Plus, Service Manual, Page: 213 / 492

2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-41
(3) Image is too light.
1. Table scanning
Print example
Defective part Check description Corrective Action
1
The settings of the
adjustment of den-
sity Check the settings of the adjust-
ment of density. 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.
2
Settings of anti-off-
set Check the settings of anti-offset. If anti-offset is set to on, set it to off.
3
Adjustment of the
scanner Check the automatic adjustment
of the scanner. Perform maintenance mode U411,
table(Chart1)_All.
(see page 1-3-75)
4
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.
5
Home position
sensor Check the location the home
position sensor is mounted. Re-mount the home position sensor if it is
hanged off.
6
FFC cable CIS Check the FFC cable between
the CIS and main/engine 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.
7
CIS assembly Check the location the CIS
assembly is mounted. Re-mount the CIS assembly if it is hanged off.
8
CIS CIS is defective. Replace the CIS and perform U411.
9
Main/Engine PWB The main/engine PWB is defec-
tive. Replace the main/engine PWB.(see page 2-2-
11)