Kyocera ECOSYS M3040dn Service Manual page 217

2. DP-scanning
Defective part
Original document
1
Original document
2
Scanning position
of the DP
3
Adjustment of the
scanner
4
Slit glass, Contact
glass
5
Mirror
6
Lamp unit
7
Shading plate
8
CCD sensor
9
CCD PWB
10
Control PWB
11
Check description
Check whether the original
document is dirty.
Check if the size of the original
document and its reference size
match.
Check whether the scanning
position of the DP is wrong.
Check whether the outer areas
of the original document have
streaks or lines.
Check whether the slit glass and
contact glass are dirty.
Check whether the mirrors are
dirty.
Check that the lamp unit is con-
taminated with dusts.
Check whether the shading plate
is dirty.
Check that the CCD sensor
glass is contaminated with dusts.
The CCD PWB is defective.
The control PWB is defective.
If the original document is dirty, replace.
If the size of the original document and its
reference size do not match, set the correct
document size or activate border erasure.
If the scanning position of the DP is shifted,
perform maintenance mode U068, DP Read.
(see page 1-3-31)
1. Perform maintenance mode U067,
Front.(see page 1-3-30)
2. Perform maintenance mode U411, table
(Chart1)_Input.
(see page 1-3-54)
If the slit glass and contact glass are dirty,
clean the contact glass, the slit glass, the
bottom part of the shading plate, and the
conveying guide.
If the mirrors are dirty, clean the three mirrors.
If dusts are observed on the lamp unit, remove
the dusts in the light paths.
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 1-5-16)
If dusts are observed on the CCD sensor
glass,remove the dusts by an air blower.
Replace the ISU and perform U411.
(see page 1-3-54)
Replace the control PWB.(see page 2-2-12)
1-4-55
2NM/2NX/2NY/2NZ/2P0/2P6
Corrective Action