Olivetti d-Copia 1801MF Plus, Service Manual, Page: 219 / 492

2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-47
(6) Black streaks appear longitudinally.
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
Original document Check if the size of the original
document and its reference size
match. If the size of the original document and its
reference size do not match, set the correct
document size or activate border erasure.
3
Contact glass assy Check the location the contact
glass is mounted.
Re-mount the contact glass if it is hanged off.
4
Adjustment of the
scanner Check whether the outer areas
of the original document have
streaks or lines. 1. Perform maintenance mode U067,
Front.(see page 1-3-34)
2. Perform maintenance mode U411, table
(Chart1)_Input.
(see page 1-3-75)
5
Contact glass Check whether the outer areas
of the original document have
streaks or lines. If the contact glass is dirty, clean.
6
CIS Check that the CIS is contami-
nated with dusts. If dusts are observed on the CIS, remove the
dusts in the light paths.
7
Shading plate Check whether the shading plate
is dirty. If the shading plate is dirty, perform
maintenance mode U063 to modify the
shading position. If it does not cure, replace the
contact glass assembly.
(see page 1-3-30)
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)
Defective part Check description Corrective Action
1
Original document Check whether the original
document is dirty. If the original document is dirty, replace.