45530603TH Rev.2
4-69
Oki Data CONFIDENTIAL
4. TROUBLESHOOTING PROCEDURE
4.5.2.(8) Paper unloading jam (Error 382)
(8-1) Paper unloading jam occurs immediately after the power is turned on.
Check item Check work
Actions to be taken
at NG
(8-1-1) Check condition of the paper running path
Paper running
path of the paper
unloading unit
Check if paper is jammed or not in the paper
running path.
Remove the
jammed paper.
Decurl Assy
Check if paper winds around the Decurl unit.
Remove the
winds paper.
(8-1-2) Check condition of the mechanical parts
Check the sensor
lever of EXIT1/
EXIT2/EXIT3 and
slack sensors.
Check if shape and movement of the sensor
levers have any abnormality or not.
Replace with a
normal sensor
lever.
(8-1-3) Check condition of electrical parts
Check the detection
condition of the
sensor signal.
Confirm that the sensor signals are normally
detected by using the SWITCH SCAN function
of the self-diagnostic mode.
Replace the PU/
CU PCB, EXIT
sensor, its cable
or its connection
cable.
(8-2) Paper unloading jam occurs after a paper is taken into printer.
Check item Check work
Actions to be taken
at NG
(8-2-1) Check condition of the paper running path
Face Up Stacker
Cover
C onfirm that it is either fully opened or fully
closed
Eliminate any
in-between
condition of the
cover between
the fully open
position and fully
closed position.
Duplex Separator Confirm that the Duplex Separator works
normally by using the Motor & Clutch Test of
the self-diagnostic mode.
Replace
the Duplex
Separator or
the Duplex
solenoid
Output unit left
cover
Check that the output unit left cover is
installed properly so that it doesn't hamper
smooth movement of paper in the paper
running path.
Remove the
output unit left
cover and re-
install it.
Paper running path
of unloading unit
Check that any mechanical load does not
exist that hampers the smooth movement of
paper in the paper running path of the paper
unloading unit, by the visual inspection.
Check if the paper unloading motor becomes
difficult to rotate or not.
Correct the
portion that
becomes
mechanical
load.
EJ-rail unit Check that the EJ-rail unit is installed properly. Remove the
EJ-rail unit and
re-install it.
Decurl Assy
Check if paper winds around the Decurl unit.
Remove the
winds paper.
(8-2-2) Check condition of the mechanical parts
S ensor lever of the
EXIT1 sensor
C heck if shape and movement of the sensor
levers have any abnormality or not.
Replace with a
normal sensor
lever.
(8-2-3) Motor operation check
Fuser motor C onfirm that the fuser motor works normally
by using the Motor & Clutch Test of the self-
diagnostic mode.
Check if any load exists or not.
Replace the
PU/CU PCB,
fuser motor, or
fuser unit.
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