Kyocera TASKalfa 7002i Service Manual page 1136

Step Check description
6 Checking the DF middle
motor
7 Checking the drive parts
8 Checking the DF main
PWB
J6400: DF exit sensor non arrival jam
Object: 4000-sheet finisher
The DF exit sensor does not turn on when passing the certain time after the DF middle sensor turns on.
Step Check description
1 Checking the paper con-
veying parts
2 Checking the DF middle
sensor
3 Checking the DF exit sen-
sor
Assumed cause
The DF middle motor does
not properly operate.
The drive from the DF mid-
dle motor is not properly
transmitted.
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 middle sensor
does not properly operate.
The DF exit sensor does
not properly operate.
7-276
Measures
Execute U240 [Motor] > [Mid-
dle(H)] or [Middle(L)]. If the
DF middle motor does not
properly operate, reattach it
and reinsert the connector. If
not repaired, replace it.
Check if the DF middle 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 middle sensor on
and off manually and check
the indication at U241 [Fin-
isher] > [Middle Tray Eject]. If
the DF middle sensor does
not properly operate, clean
and reattach it and reinsert
the connector. If not repaired,
replace it.
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.
2WA/2NJ/2RK
Reference
Executing
U240
Detaching
and reat-
taching the
DF main
PWB
Reference
Executing
U241
Executing
U241