Olivetti d-Copia 1801MF Plus, Service Manual, Page: 215 / 492

2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-43
(4) The background is colored.
1. Table scanning
Print example
Defective part Check description Corrective Action
1
Original document 1. Check if the background
density of the original
document is too dense.
2. Check if the original
document is floated during
scanning.
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.
2
Adjustment of the
scanner Check the automatic adjustment
of the scanner. Perform maintenance mode U411,
table(Chart1)_All.
(see page 1-3-75)
3
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.
4
Contact glass assy Check the location the contact
glass is mounted.
Re-mount the contact glass if is hanged off.
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 The CIS is defective. Replace the CIS and perform U411.
(see page 1-3-75)
9
Main/Engine PWB The main/engine PWB is defec-
tive. Replace the main/engine PWB.(see page 2-2-
11)