Kyocera TASKalfa 7002i Service Manual page 879

Step Check description
6 Replacing the DPCIS
7 Replacing the DP relay
PWB
8 Replacing the main PWB
When scanning the first (front) side through DP
Step Check description
1 Checking the original
2 Checking the slit glass
3 Executing U068
4 Checking the home posi-
tion sensor
5 Checking the FFC
6 Checking the scanner
drive belt
7 Checking the scanner
drive gear
8 Replacing the ISU
9 Replacing the engine PWB The engine PWB is faulty.
10 Replacing the main PWB
Assumed cause
The DPCIS is faulty.
The DP relay PWB is
faulty.
The main PWB is faulty.
Assumed cause
The originals were set
upside down.
The slit glass is not prop-
erly attached.
The starting position for
scanning an original on the
DP is incorrect.
The home position sensor
is not properly attached.
The FFC is not properly
connected, or it is faulty.
The scanner drive belt
comes off.
The scanner drive gear is
not properly attached.
The CCD PWB is faulty.
The main PWB is faulty.
7-19
Measures
Replace the DPCIS, and then
execute U091 and U411.
Replace the DP relay PWB.
Replace the main PWB.
Measures
Reset the original to correct
the front and back direction.
Reattach the slit glass.
Adjust U068 [DP Read].
Reattach the home position
sensor.
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
Reattach the scanner drive
belt.
Reattach the scanner drive
gear.
Replace the ISU.
Replace the engine PWB.
Replace the main PWB.
2WA/2NJ/2RK
Reference
Detaching
and Reat-
taching the
DPCIS
Detaching
and Reat-
taching the
main PWB
Reference
Executing
U068
Wiring dia-
gram
Detaching
and Reat-
taching the
ISU
Detaching
and Reat-
taching the
engine
PWB
Detaching
and Reat-
taching the
main PWB