Kyocera TASKalfa 7002i Service Manual page 878

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