Kyocera TASKalfa 7002i Service Manual page 1140

Step Check description
7 Checking the drive parts
8 Checking the DF main
PWB
J6510: DF exit sensor stay jam when ejecting the paper bundle
Object: 4000-sheet finisher
The DF exit sensor does not turn off after the paper bundle ejection starts.
Step Check description
1 Checking the paper con-
veying parts
2 Checking the DF exit sen-
sor
3 Checking the DF eject
motor
4 Checking the drive parts
Assumed cause
The drive from the DF tray
motor is not properly trans-
mitted.
The connector is not prop-
erly connected or the wire
or PBW is faulty.
Assumed cause
The roller, guide, etc. are
not properly attached or
they are dirty, deformed or
worn down.
The DF exit sensor does
not properly operate.
The DF exit motor does
not properly operate.
The drive from the DF exit
motor is not properly trans-
mitted.
7-280
Measures
Check if the DF tray motor
smoothly rotates manually.
Then, clean and reattach the
drive parts if necessary. If not
repaired, replace them.
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.
Measures
Clean and correct the con-
veying parts such as the
roller or the guide, and reat-
tach them. If not repaired,
replace them.
Turn the DF exit sensor on
and off manually and check
the indication at U241 [Fin-
isher] > [Middle Tray]. If the
DF exit sensor does not prop-
erly operate, clean and reat-
tach it and reinsert the
connector. If not repaired,
replace it.
Execute U240 [Motor] >
[Eject(H)] or [Eject(L)]. If the
DF exit motor does not prop-
erly operate, reattach it and
reinsert the connector. If not
repaired, replace it.
Check if the DF exit motor
smoothly rotates manually.
Then, clean and reattach the
drive parts if necessary. If not
repaired, replace them.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
DF main
PWB
Reference
Executing
U241
Executing
U240