Kyocera TASKalfa 7002i Service Manual page 1126

Step Check description
10 Checking the connection
11 Replacing the BR main
PWB
12 Replacing the engine PWB The engine PWB is faulty.
J6000: DF paper entry failure jam
Object: 4000-sheet finisher
Turning on of the DF paper entry sensor is detected before the paper eject from the main unit.
Step Check description
1 Checking the paper path
2 Checking the DF paper
entry sensor
3 Checking the DF main
PWB
Assumed cause
The connector is not prop-
erly connected or the wire
is faulty.
The BR main PWB is
faulty.
Assumed cause
The paper is caught with a
piece of paper, etc.
The DF paper entry sensor
does not properly operate.
The connector is not prop-
erly connected or the wire
or PBW is faulty.
7-266
Measures
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• BR exit sensor
- BR main PWB• BR convey-
ing motor 2 - BR main PWB•
BR main PWB - Engine PWB
Replace the BR main PWB.
Replace the engine 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.
Turn the DF paper entry sen-
sor on and off by a hand and
check the indication at U241
[Finisher] > [HP] . If the DF
paper entry sensor does not
properly operate, clean and
reattach it and reinsert the
connector. If not repaired,
replace it.
Reconnect all the connector
to the DF main PWB. Then,
fix or replace the wires if they
are pinched by the other part
or if they have any damage.
When the issue is not
resolved, replace the DF
main PWB.
2WA/2NJ/2RK
Reference
Wiring dia-
gram
Detaching
and Reat-
taching the
engine
PWB
Reference
Executing
U241
Detaching
and reat-
taching the
DF main
PWB