Kyocera TASKalfa 7002i Service Manual page 1130

Step Check description
4 Checking the drive parts
5 Checking the DF main
PWB
J6110: DF paper entry sensor stay jam
Object: 4000-sheet finisher
The DF paper entry sensor does not turn off after passing the certain time since it turned on.
Step Check description
1 Checking the paper con-
veying parts
2 Checking the DF paper
entry sensor
3 Checking the DF paper
entry motor
4 Checking the drive parts
Assumed cause
The drive from the DF
paper entry 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 paper entry sensor
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.
7-270
Measures
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.
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 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.
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.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
DF main
PWB
Reference
Executing
U241
Executing
U240