Paper Unloading Jam Occurs After A Paper Is Taken Into Printer; Paper Unloading Jam Occurs In The Middle Of Paper Running Path - Oki C810 Maintenance Manual

Oki Data CONFIDENTIAL

(7-2) Paper unloading jam occurs after a paper is taken into printer.

Check item
(7-2-1) Check condition of the paper running path
Face Up Stacker Confirm that it is either fully opened or fully
Cover closed
Duplex pull-in gate Confirm that the Duplex pull-in gate works
normally by using the Motor & Clutch Test of the
self-diagnostic mode.
Is it set to the paper unloading side normally?
Rear panel Check that the installation condition of the rear
panel hampers smooth movement of a paper in
the paper running path, or not.
Paper running path Check that any mechanical load does not exist
of unloading unit 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.
(7-2-2) Check condition of the mechanical parts
Sensor lever of the Check if shape and movement of the sensor
paper exit sensor levers have any abnormality or not.
(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.
44015503TH Rev. 1
Action to be taken
Check work
at NG
Eliminate any
in-between
condition of the
cover between
the fully open
position and
fully closed
position.
Replace the
Duplex pull-
in gate or the
Duplex solenoid
Remove the
rear panel and
re-install it.
Correct the
portion that
becomes
mechanical
load.
Replace the
sensor lever
with the good
sensor lever.
Replace the PU
board or fuser
motor or fuser
unit.
If any attempt
of using new
fuser unit as
a trial is going
to be made,
be sure to use
the System
Maintenance
Menu FUSE
KEEP MODE.
Check item
(7-2-4) Check the system connection
Fuser motor drive Check the connection condition of the cables.
cable PU board DCHEAT connector
connector is connected in the half-way only or
not, and check if the connector is inserted in a
slanted angle or not. Check also that cables are
assembled without any abnormality.
Fuser motor

(7-3) Paper unloading jam occurs in the middle of paper running path.

Check item
(7-3-1) 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.
7. TROUBLESHOOTING PROCEDURE
Action to be taken
Check work
at NG
Replace the
, Check if the cable with the
good cable
that normalizes
the connection
condition.
Replace the
fuser motor.
Action to be taken
Check work
at NG
Replace the PU
board or fuser
motor or fuser
unit.
If any attempt
of using new
fuser unit as
a trial is going
to be made,
be sure to use
the System
Maintenance
Menu FUSE
KEEP MODE.
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