FS-9120DN/9520DN
1-5-6
Problem Causes/check procedures Corrective measures
(3) Paper misfeeds
(1)
A paper jam in the
paper feed, convey-
ing or eject section
is indicated as soon
as the power switch
is turned on.
(2)
A paper jam in the
paper feed section
is indicated during
printing (no paper
feed from upper
cassette).
Jam code 10
(3)
A paper jam in the
paper feed section
is indicated during
printing (no paper
feed from lower cas-
sette).
Jam code 11
A piece of paper torn from
print paper is caught
around feed switch 1/2/3,
registration switch, eject
switch or feedshift switch.
Defective feed switch 1,
feed switch 2, feed switch
3, registration switch, eject
switch or feedshift switch.
Defective engine controller
PWB.
Paper in the upper cas-
sette is extremely curled.
Check if the upper paper
feed pulley, separation
pulley or forwarding pulley
of the upper cassette are
deformed.
Broken feed switch 1 ac-
tuator.
Defective feed switch 1.
Defective engine controller
PWB.
Check if the upper paper
feed clutch malfunctions.
Electrical problem with the
upper paper feed clutch.
Paper in the lower cas-
sette is extremely curled.
Check if the lower paper
feed pulley, separation
pulley or forwarding pulley
of the lower cassette are
deformed.
Broken feed switch 2 ac-
tuator.
Defective feed switch 2.
Defective engine controller
PWB.
Check if the lower paper
feed clutch malfunctions.
Check visually and remove it, if any.
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 all switches (above) are normal, replace engine control-
ler PWB (see page 1-6-24).
Change the paper.
Check visually and replace any deformed pulleys.
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. If "1" is not displayed when the switch is on or "0" is
not displayed when the switch is off, replace feed switch 1.
When if feed switch 1 (above) is normal, replace engine control-
ler PWB (see page 1-6-24).
Run maintenance item U032 and select the upper paper feed
clutch on the operation panel to be turned on and off. Check the
status and remedy if necessary.
Check (see page 1-5-37).
Change the paper.
Check visually and replace any deformed pulleys.
Check visually and replace feed switch 2 if its actuator is broken.
Run maintenance item U031 and turn feed switch 2 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 feed switch 2.
When if feed switch 1 (above) is normal, replace engine control-
ler PWB (see page 1-6-24).
Run maintenance item U032 and select the lower paper feed
clutch on the operation panel to be turned on and off. Check the
status and remedy if necessary.
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