2L6/2N6/2N5/2N4
1-4-223
2. DP-scanning first (front) page
9
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 1-3-55)
10
ISC PWB
The ISC PWB is defective.
Replace the ISC PWB and perform U411.
(see page 1-3-173)
11
CCD PWB
The CCD PWB is defective.
Replace the ISU and perform U411.
(see page 1-3-173)
12
Main PWB
The main PWB is defective.
Replace the main PWB.(see page 1-5-72)
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
Scanning position
of the DP
Check whether the scanning
position of the DP is wrong.
If the scanning position of the DP is shifted,
perform maintenance mode U068, DP Read.
(see page 1-3-60)
4
Adjustment of the
scanner
Check whether the outer areas
of the original document have
streaks or lines.
1. Perform maintenance mode U072, Front.
(see page 1-3-65)
2. Perform maintenance mode U411, DP
Auto Adj.
3. Perform maintenance mode U411, DP
FaceUp(Chart2)_Input.
(see page 1-3-173)
5
Slit glass, Contact
glass
Check whether the slit glass and
contact glass are dirty.
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.
6
Mirror
Check whether the mirrors are
dirty.
If the mirrors are dirty, clean the three mirrors.
7
Lamp unit
Check that the lamp unit is con-
taminated with dusts.
If dusts are observed on the lamp unit, remove
the dusts in the light paths.
8
CCD sensor
Check that the CCD sensor
glass is contaminated with dusts.
If dusts are observed on the CCD sensor
glass,remove the dusts by an air blower.
Defective part
Check description
Corrective Action
Summary of Contents for TASKalfa 3051ci
Page 5: ...2L6 2N6 2N5 2N4 1 4 4 Machine Option2 Figure 1 4 4 Paper jam location Matchine Option2 ...
Page 201: ...2L6 2N6 2N5 2N4 5 1 4 200 ...
Page 202: ...2L6 2N6 2N5 2N4 5 1 4 201 ...
Page 203: ...2L6 2N6 2N5 2N4 5 1 4 202 ...
Page 204: ...2L6 2N6 2N5 2N4 5 1 4 203 ...
Page 257: ...2L6 2N6 2N5 2N4 5 1 4 256 16 Grainy image See page1 4 272 ...
