2L6/2N6/2N5/2N4
1-4-208
2. DP-scanning first (front) page
3.
DP-scanning second (back) page (with a dual scan DP installed)
Defective part
Check description
Corrective Action
1
Original document
Verify the sides of the original
document.
If the sides of the original document are
reversed, place the original document properly.
2
Contact glass assy Check the location the contact
glass is mounted.
Re-mount the contact glass if it is hanged off.
3
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.
4
Home position sen-
sor
Check the location the home
position sensor is mounted.
Re-mount the home position sensor if it is
hanged off.
5
Scanner wire drum Check that the scanner wire
drum is loosely mounted.
If the scanner wire drum is loosely mounted,
secure the screws.
6
Scanner drive gear Check that the scanner drive
gear is loosely mounted.
If the scanner drive gear loosely mounted,
secure the screw.
7
CCD PWB
The CCD PWB is defective.
Replace the ISU and perform U411.
(see page 1-3-173)
8
ISC PWB
The ISC PWB is defective.
Replace the ISC PWB 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
Verify the sides of the original
document.
If the sides of the original document are
reversed, place the original document properly.
2
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.
3
White-reference
roller(Counter the
CIS)
Check if the white reference
roller is contaminated on its sur-
face or damaged.
If the white-reference roller is dirty, clean. Or, if
the roller is damaged, replace.
4
DP_CIS unit
Check the location the CIS unit
is mounted.
Re-mount the CIS unit if it is hanged off.
5
DP_SHD PWB
Check the CIS and the SHD
PWB is properly connected.
Reinsert the connector if the PWB was loosely
inserted.If not cured, replace the PWB.
6
DP_CIS
CIS is defective.
Replace the CIS and perform U091 and U411.
(see page 1-3-71,1-3-173)
7
Main PWB
The main PWB is defective.
Replace the main PWB.(see page 1-5-72)
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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