44952001TH Rev.2
7-71
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
7.5.5.(7)Paperunloadingjam(errorcode382)
(7-1)Paperunloadingjamoccursimmediatelyafterthepoweristurnedon.
Check item Checking method Action in case of NG
(7-1-1) Check condition of the paper running path
Paper running
path of the paper
unloading unit
Checkifpaperisjammedornotinthepaper
running path.
Removethejammed
paper.
(7-1-2) Check condition of the mechanical parts
EXIT sensor lever
check
Check if shape and movement of the sensor
levers have any abnormality or not.
Replace the sensor
lever with the good
sensor lever.
(7-1-3) 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 CU/PU
board, or the EXIT
sensor and its cord or
connection cord.
Check the output
signal level of the
EXIT sensor.
Check the following signal by using the CU/
PU board EXIT connector
⑧
:
Pin-9: EXIT sensor
Confirm that the above signal levels change
when the sensor lever is operated.
Replace the EXIT
sensor.
(7-1-4) Check the system connection
EXIT sensor cord Confirm that the cables are not pinched,
sheathes are not peeled off, and they are
assembled normally.
Replace the
connecting cable
andnormalizethe
assembled condition.
(7-2)Paperunloadingjamoccursafterapaperistakenintoprinter.
Check item Checking method Action in case of NG
(7-2-1) Check condition of the paper running path
Face Up Stacker
Cover
Confirm 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.
Rear panel Check that the installation condition of the
rear panel hampers smooth movement of a
paper in the paper running path, or not.
Remove the rear
panel 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.
(7-2-2) Check condition of the mechanical parts
Sensor lever of the
paper exit sensor
Check if shape and movement of the sensor
levers have any abnormality or not.
Replace the sensor
lever with the good
sensor lever.
(7-2-3) Motor operation check
Fuser motor Confirm 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 CU/PU
board, the fuser motor
or the fuser unit.
fuser unit as a trial
is going to be made,
be sure to use the
System Maintenance
Menu FUSE KEEP
MODE.
(7-2-4) Check the system connection
Fuser motor drive
cable
Check the connection condition of the
cables.
Visually check whether the CU/PU board
DCHEAT connector
④
is connected half
or inserted skewed or its cord assembly
is improper.
Replace the cable
with the good cable
thatnormalizes
the connection
condition.
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