Kyocera TASKalfa 7002i Service Manual page 886

When scanning the first (front) side through DP
Step Check description
1 Correcting the original
2 Checking the original width
guides
3 Adjusting the right DP
hinge position
4 Checking the DP feed belt
5 Checking the DP feed belt
6 Checking the DP registra-
tion roller
7 Checking the DP registra-
tion pulley
8 Executing U942
(2-17) The entire image is too light
When scanning the second (back) side through the DP
Step Check description
1 Checking the table scan-
ning
2 Executing U411
3 Cleaning the DPCIS roller
4 Checking the DPCIS roller
5 Checking the DPCIS
6 Checking the DP relay
PWB
7 Checking the SATA cable
Assumed cause
The originals are bent or
creased.
The original skews.
The right DP hinge position
is not adjusted back and
forth.
The DP feed belt is dirty. (It
can be removed by clean-
ing.)
The DP feed belt is dirty. (It
cannot be removed by
cleaning.)
The DP registration roller
is dirty.
The operation of the DP
registration pulley is faulty.
The original loop amount
before registration is
improper.
Assumed cause
The table scanning of origi-
nals is faulty.
U411 [DP FD(ChartA)] is
not executed.
The DPCIS roller is dirty
The DPCIS roller does not
rotate properly.
The DPCIS is not properly
attached.
The DP relay PWB is not
properly attached.
The connector is not prop-
erly connected.
7-26
Measures
Stretch the bending or the
paper creases of the original.
Relocate the original width
guides.
Adjust the right DP hinge
position back and forth.
Clean the DP feed belt.
Replace the DP feed belt.
Clean the DP registration
roller.
Reattach the DP registration
pulley.
Adjust the original loop
amount at U942.
Measures
Perform the measures for the
same abnormal image when
scanning on the contact
glass.
Execute U411 [DP
FD(ChartA)].
Clean the DPCIS roller
Reattach the DPCIS roller
driving section.
Reattach the DPCIS.
Reattach the DP relay PWB.
Reinsert the connectors of
the SATA cable between the
DPSHD PWB and the DP
relay PWB.
2WA/2NJ/2RK
Reference
Adjusting
the right
DP hinge
Executing
U942
Reference
Executing
U411
Detaching
and Reat-
taching the
DPCIS
Wiring dia-
gram