2L6/2N6/2N5/2N4
1-4-252
4. DP-scanning second (back) page (with a reversed DP installed)
(18) Abnormal image
1. Table scanning
Defective part
Check description
Corrective Action
1
Original document
Check if the original document
has creases or foldings or
wrinkles.
If the original document has foldings or
creases, remove them.
2
Lamp unit
Check the location the lamp unit
is mounted.
Re-mount the lamp unit if it is hanged off.
3
DP feed roller
Check whether the feed roller is
dirty.
If the feed roller is dirty, clean.Or, if not cured,
replace the feed roller.
4
DP regist roller
Check whether the DP regist
roller is dirty.
If the DP regist roller is dirty, clean.
5
DP regist pulley
Check that the DP regist pulley
is smoothly operative.
If the DP regist pulley does not rotate smoothly,
re-install.
6
Adjustment
amount of slack of
the original
documen
Check the amount of slack of the
original document when it
reaches at the regist.
If the amount of the slack of the original
document roller improper is perform
maintenance mode U942, DP slack
settings.(see page 1-3-232)
7
Original document
setting
Check that the cursor fits with
the original document.
Align the cursor to fit with the original
document, if necessary.
8
Adjustment posi-
tions of the hinge
Check the front and back adjust-
ment positions of the right hinge.
If the front and back adjustment positions of
the right hinge are improper, perform
adjustment.
9
Main PWB
The main PWB is defective.
Replace the main PWB.(see page 1-5-72)
Print example
Defective part
Check description
Corrective Action
1
FFC cable CCD
Check the FFC cable between
the CCD sensor and ISC 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.
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 ...