Kyocera TASKalfa 7002i Service Manual page 1134

J6300: DF middle sensor non arrival jam
Object: 4000-sheet finisher
The DF middle sensor does not turn on after passing the certain time since the DF paper entry sensor turned
on.
Step Check description
1 Checking the mechanical
factor
2 Checking the DF middle
sensor
3 Checking DF feedshift
solenoid 3
4 Checking the DF paper
entry motor
5 Checking the drive parts
6 Checking the DF middle
motor
7 Checking the drive parts
Assumed cause
The parts such as the roller
or the guide are not prop-
erly attached, or they are
dirty, deformed or worn
down.
The DF middle sensor
does not properly operate.
DF feedshift solenoid 3
does not properly operate.
The DF paper entry motor
does not properly operate.
The drive from the DF
paper entry motor is not
properly transmitted.
The DF middle motor does
not properly operate.
The drive from the DF mid-
dle motor is not properly
transmitted.
7-274
Measures
Perform the prior standard
check items.
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.
Execute U240 [Solenoid] >
[Booklet]. If DF feedshift sole-
noid 3 does not properly
operate, reattach it and rein-
sert the connector. If not
repaired, replace it.
Execute U240 [Motor] >
[Feed In(H)] or [Feed In(L)]. If
the DF paper entry motor
does not properly operate,
reattach it and reinsert the
connector. If not repaired,
replace it.
Check if the DF paper entry
motor smoothly rotates man-
ually. Then, clean and reat-
tach the drive parts if
necessary. If not repaired,
replace them.
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.
2WA/2NJ/2RK
Reference
Executing
U241
Executing
U240
Executing
U240
Executing
U240