2WA/2NJ/2RK
7-11
(2-5) Original center and copy image center are mismatched
When scanning the second (back) side through the DP
When scanning the first (front) side through DP
(2-6) Horizontal black streaks
When scanning the second (back) side through the DP
Step Check description Assumed cause Measures Reference
1 Reloading the original The originals are not prop-
erly set on the original tray.
Reload the original properly.
2 Executing U072 The DP scanning position
is not adjusted.
Adjust the DPCIS center line
by executing U072 [CIS].
Executing
U072
3 Executing U411 The DP scanning position
is not adjusted.
Execute U411 [DP Auto Adj]. Executing
U411
4 Executing U411 The DP scanning position
is not adjusted.
Execute U411 [DP
FD(ChartA)].
Executing
U411
Step Check description Assumed cause Measures Reference
1 Checking the original The originals are not prop-
erly set on the original tray.
Reset the originals.
2 Executing U072 The center line when scan-
ning the front page of the
originals at the document
processor is not adjusted.
Adjust U072 [Front]. Executing
U072
3 Executing U411 The auto scanner adjust-
ment when DP scanning is
not executed.
Execute U411 [DP Auto Adj]. Executing
U411
4 Executing U411 The auto scanner adjust-
ment when DP scanning is
not executed.
Execute U411 [DP FU(Chart
B)].
Executing
U411
Step Check description Assumed cause Measures Reference
1 Checking the original The original is dirty. Replace the original.
2 Checking the CIS glass The CIS glass is dirty. Clean the CIS glass and the
DP conveying guide.
3 Checking the DP relay
PWB
The DP relay PWB is not
properly attached.
Reattach the DP relay PWB.
4 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
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