2WA/2NJ/2RK
7-18
(2-10) Moire
When scanning the second (back) side through the DP
When scanning the first (front) side through DP
(2-11) Blank image or entirely black image
When scanning the second (back) side through the DP
Step Check description Assumed cause Measures Reference
1 Changing the image qual-
ity mode
The image quality mode is
set improperly.
Change the image quality
mode.
2 Reloading the original The original is not properly
set. (Moire appears in the
original scanning direc-
tion.)
Rotate the originals in 90
degrees and reset them.
3 Executing U411 The automatic scanner
adjustment is not exe-
cuted.
Execute U411 [DP
FD(ChartA)].
Executing
U411
Step Check description Assumed cause Measures Reference
1 Checking the settings The original imaging qual-
ity is not properly set.
(Moire changes depend-
ing on the print quality.)
Set [Original Image] in [Sys-
tem Menu/Counter] key >
[Common Settings] > [Func-
tion Defaults].
2 Reloading the original The original is not properly
set. (Moire appears in the
original scanning direc-
tion.)
Rotate the originals in 90
degrees and reset them.
Step Check description Assumed cause Measures Reference
1 Checking the DP relay
PWB
The DP relay PWB is not
properly attached.
Reattach the DP relay PWB.
2 Checking the SATA cable The connector is not prop-
erly connected.
Reinsert the connectors of
the SATA cable between the
DPSHD PWB and the DP
relay PWB.
Wiring dia-
gram
3 Replacing the SATA cable The SATA cable is
deformed or broken.
Replace the SATA cable
between the DPSHD PWB
and the DP relay PWB.
Wiring dia-
gram
4 Checking the DPSHD
PWB
The DPCIS is not properly
connected to the DPSHD
PWB.
Reconnect the DPCIS to the
DPSHD PWB.
5 Replacing the DPSHD
PWB
The DPSHD PWB is faulty. Replace the DPSHD PWB.
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