Kyocera TASKalfa 7002i Service Manual page 1194

Step Check description
10 Checking the original
11 Checking the DP timing
sensor
12 Checking the DP convey-
ing motor
13 Checking the DP main
PWB
J9410: DP timing sensor stay jam
Object: Document processor
The DP timing sensor does not turn off when passing the certain pulse after the DP feed sensor or the DP reg-
istration sensor turns off.
Step Check description
1 Checking the paper path
2 (When the original is
skewed) Checking the DP
feed belt
Assumed cause
Foreign objects adhere on
the original.
The DP timing sensor does
not properly operate.
The DP conveying motor
does not properly operate.
The connector is not prop-
erly connected or the wire
or PBW is faulty.
Assumed cause
The original is caught up
by a piece of paper.
The paper conveying per-
formance of the DP feed
belt is not enough.
7-334
Measures
Remove the foreign objects
on the original. If it is not pos-
sible to remove the foreign
objects completely, remove
the original.
Turn the DP timing sensor on
and off manually and check
the indication at U244 [Tim-
ing]. If the DP timing sensor
does not properly operate,
clean and reattach it and rein-
sert the connector. If not
repaired, replace it.
Execute U243 [Conv Motor].
If the DP conveying motor
does not properly operate,
reattach it and reinsert the
connector. If not repaired,
replace it.
Reconnect all the connector
to the DP main PWB. Then,
fix or replace the wires if they
are pinched by other part or if
they have any damage.
When the issue is not
resolved, replace the DP
main PWB.
Measures
A piece of paper or the for-
eign objects are adhered on
the conveying path, or if the
parts such as the guide or
the actuator has burrs,
remove them.
Clean the DP feed belt sur-
face. If it is worn down,
replace the DP feed belt.
2WA/2NJ/2RK
Reference
Executing
U244
Executing
U243
Detaching
and Reat-
taching the
DP main
PWB
Reference
Detaching
and reat-
taching the
DP for-
warding
pulley and
the DP
feed belt