FS-9120DN/9520DN
1-5-13
Problem Causes/check procedures Corrective measures
(21)
A paper jam in the
feedshift section is
indicated during
printing (jam in
feedshift section).
Jam code 52
(22)
A paper jam in the
switchback section
is indicated during
printing (jam in
switchback unit*).
Jam code 53
(23)
A paper jam in the
duplex section is
indicated during
printing (jam in du-
plex paper convey-
ing section 1).
Jam code 60
Check if the feedshift sole-
noid malfunctions.
Electrical problem with the
feedshift solenoid.
Broken feedshift switch
actuator.
Defective feedshift switch
or registration switch.
Defective engine controller
PWB.
Check if the registration
clutch malfunctions.
Electrical problem with the
registration clutch.
Broken feedshift switch
actuator, or switchback
eject switch actuator.
Defective feedshift switch.
Defective engine controller
PWB.
Defective switchback eject
switch.
Broken feedshift switch
actuator or duplex paper
conveying switch actuator.
Defective feedshift switch
or duplex paper conveying
switch.
Defective engine controller
PWB.
Run maintenance item U033 and select the feedshift solenoid on
the operation panel to be turned on and off. Check the status
and remedy if necessary.
Check (see page 1-5-38).
Check visually and replace the feedshift switch if its actuator is
broken.
Run maintenance item U031 and turn switch on and off manu-
ally. If "1" is not displayed when the switch is on or "0" is not dis-
played when the switch is off, replace switch.
When if feedshift switch and registration switch (above) are nor-
mal, replace engine controller PWB (see page 1-6-24).
Run maintenance item U032 and select the registration clutch
on the operation panel to be turned on and off. Check the status
and remedy if necessary.
Check (see page 1-5-38).
Check visually and replace the switch if its actuator is broken.
Run maintenance item U031 and turn the feedshift switch on
and off manually. If "1" is not displayed when the switch is on or
"0" is not displayed when the switch is off, replace feedshift
switch.
When if feedshift switch (above) is normal, replace engine con-
troller PWB (see page 1-6-24).
With 5 V DC present at CN5-2 on the switchback unit main
board, check if CN5-4 on the switchback unit main board re-
mains low when the switchback eject switch is turned on and off.
If it does, replace the switchback eject switch.
Check visually and replace the switch if its actuator is broken.
Run maintenance item U031 and turn switch on and off manu-
ally. If "1" is not displayed when the switch is on or "0" is not dis-
played when the switch is off, replace switch.
When if the feedshift switch and duplex paper conveying switch
(above) are normal, replace engine controller PWB (see page 1-
6-24).
*Optional.
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