Kyocera KM-3035 Service Manual page 191

Problem
(23)
A paper jam in the
switchback section
is indicated during
copying (jam in
switchback unit*).
Jam code 53
(24)
A paper jam in the
duplex section is
indicated during
copying (jam in du-
plex paper convey-
ing section 1).
Jam code 60
(25)
A paper jam in the
duplex section is
indicated during
copying (jam in du-
plex paper convey-
ing section 2).
Jam code 61
(26)
An original jams in
the DP* is indicated
during copying (no
original feed).
Jam code 70
*Optional.
Causes/check procedures
Broken feedshift switch
actuator.
Defective feedshift switch.
Broken switchback eject
switch actuator.
Defective switchback eject
switch.
Broken feedshift switch
actuator.
Defective feedshift switch.
Broken duplex paper con-
veying switch actuator.
Defective duplex paper
conveying switch.
Broken duplex paper con-
veying switch actuator.
Defective duplex convey-
ing switch.
Broken feed switch 1 ac-
tuator.
Defective feed switch 1.
Defective original feed
switch.
Check if the original feed
motor malfunctions.
Corrective measures
Check visually and replace the feedshift switch if its actuator is
broken.
Run maintenance item U031 and turn the feedshift switch on
and off manually. Replace the feedshift switch if indication of the
corresponding switch on the operation panel is not displayed in
reverse.
Check visually and replace the switchback eject switch if its ac-
tuator is broken.
With 5 V DC present at CN5-2 on the switchback unit main PCB,
check if CN5-4 on the switchback unit main PCB remains low
when the switchback eject switch is turned on and off. If it does,
replace the switchback eject switch.
Check visually and replace the feedshift switch if its actuator is
broken.
Run maintenance item U031 and turn the feedshift switch on
and off manually. Replace the switch if indication of the corre-
sponding switch on the operation panel is not displayed in re-
verse.
Check visually and replace the duplex paper conveying switch if
its actuator is broken.
Run maintenance item U031 and turn the duplex paper convey-
ing switch on and off manually. Replace the switch if indication
of the corresponding switch on the operation panel is not dis-
played in reverse.
Check visually and replace the duplex paper conveying switch if
its actuator is broken.
Run maintenance item U031 and turn the duplex paper convey-
ing switch on and off manually. Replace the duplex paper con-
veying switch if indication of the corresponding switch on the op-
eration panel is not displayed in reverse.
Check visually and replace feed switch 1 if its actuator is broken.
Run maintenance item U031 and turn feed switch 1 on and off
manually. Replace the switch if indication of the corresponding
switch on the operation panel is not displayed in reverse.
Run maintenance item U244 and turn the original feed switch on
and off manually. Replace the switch if indication of the corre-
sponding switch on the operation panel is not displayed in re-
verse.
Run maintenance item U243 and select the original feed motor
on the operation panel to be turned on and off. Check the status
and remedy if necessary.
2FD/2FF/2FG
1-5-17