2WA/2NJ/2RK
7-35
(3-6) Horizontal black streaks
Step Check description Assumed cause Measures Reference
1 Checking the original The original is dirty. Replace the original.
2 Checking the contact glass The contact glass is dirty. Clean the contact glass.
3 Executing U066 The backside image of the
size direction plate is
scanned. (Adjustment
value of U066 [Front] is not
proper.)
Adjust U066 [Front]. Executing
U066
4 Executing U411 The backside image of the
size direction plate is
scanned. (Adjustment
value of U411
[Table(ChartA)] is not
proper.)
Execute U411 [Table(Chart
A)].
Executing
U411
5 Checking the FFC The FFC is not properly
connected, or it is faulty.
Reconnect the following FFC.
When the FFC terminals are
peeled off or deformed or the
FFC is broken, replace the
FFC. • CCD PWB - Engine
PWB
Wiring dia-
gram
6 Checking the CCD PWB The CCD PWB is faulty. Reconnect the CCD PWB
wire. Then, replace the ISU if
the issue is not resolved.
Detaching
and Reat-
taching the
ISU
7 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching
and Reat-
taching the
engine
PWB
8 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching
and Reat-
taching the
main PWB