2L6/2N6/2N5/2N4
1-4-230
2. DP-scanning first (front) page
3. DP-scanning second (back) page (with a dual scan DP installed)
14
ISC PWB
The ISC PWB is defective.
Replace the ISC PWB and perform U411.
(see page 1-3-173)
15
CCD PWB
The CCD PWB is defective.
Replace the ISU and perform U411.
(see page 1-3-173)
16
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 original document
has creases or foldings or wrin-
kles.
If the original document has foldings or
creases, remove them.
3
DP scanning guide Check that the scanning guide is
smoothly operative.
If the scanning guide does not move smoothly,
re-install.
4
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.
5
Contact glass assy Check the location the contact
glass is mounted.
Re-mount the contact glass if it is hanged off.
6
LED PWB
Check that the LED is lit.
If the LED is not lit, replace the LED PWB and
perform U411.
7
ISC PWB
The ISC PWB is defective.
Replace the ISC PWB and perform U411.
(see page 1-3-173)
8
CCD PWB
The CCD PWB is defective.
Replace the ISU and perform U411.
(see page 1-3-173)
9
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 original document
has creases or foldings or wrin-
kles.
If the original document has foldings or
creases, remove them.
3
White-reference
roller(Counter the
CIS)
Check that the white-reference
roller is smoothly operative.
If the white-reference roller does not rotate
smoothly, re-install.
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 ...
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Page 257: ...2L6 2N6 2N5 2N4 5 1 4 256 16 Grainy image See page1 4 272 ...