2L6/2N6/2N5/2N4
1-4-224
3. DP-scanning second (back) page (with a dual scan DP installed)
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
Adjustment of the
scanner
Check if the outer areas of the
original document have streaks
or lines.
1. Perform maintenance mode U072, CIS.
(see page 1-3-65)
2. Perform maintenance mode U411, DP
Auto Adj.
3. Perform maintenance mode U411, DP
FaceDown(Chart1)_All.
(see page 1-3-173)
2
DP_CIS glass
Check whether the CIS glass of
the DP is contaminated.
If the CIS glass of the DP is contaminated,
clean. Or, if it has scuffs, replace.
3
DP guide plate
Check whether the DP guide
plate is dirty.
If the guide plate is dirty, clean the guide plate
and the conveying guide.
4
DP regist pulley
The DP regist pulley is contaimi-
nated.
If the DP regist pully is contaminated, clean the
DP regist pulley.
5
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.
6
White streaks com-
pensation settings
Check the white streaks com-
pensation settings.
If the white streaks compensation is
insufficient, perform maintenance mode
U091.(see page 1-3-71)
7
DP_CIS unit
Check the location the CIS unit
is mounted.
Re-mount the CIS unit if it is hanged off.
8
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.
9
DP_CIS
CIS is defective.
Replace the CIS and perform U091 and U411.
(see page 1-3-71,1-3-173)
10
Main PWB
The main PWB is defective.
Replace the main PWB.(see page 1-5-72)
Defective part
Check description
Corrective Action
Summary of Contents for TASKalfa 3051ci
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