7) Paper Unloading Jam (Error Code 382); Paper Unloading Jam (Error Code 382); Jam Occurs Immediately After Paper Has Reached The Fuser; Paper Unloading Jam Occurs Immediately After The Power Is Turned On - Oki C810 Maintenance Manual

Oki Data CONFIDENTIAL

(6-4) Jam occurs immediately after paper has reached the fuser.

Check item
(6-4-1) 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.
(6-4-2) Temperature control of the roller rotation speed
Heat roller detected Check the detected temperature of the heat
temperature roller using the self-diagnostic mode. Is
abnormally high temperature or abnormally
temperature detected?
(6-4-3) Check the installation condition of fuser unit
Fuser unit Check that the fuser unit is installed normally.
(Is it pushed in down to the bottom-most point?)
44015503TH Rev. 1
Action to be taken
Check work
at NG
Replace the PU
board.
Replace the
fuser motor.
Replace the
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.
Replace fuser
unit, or relay
board (PRy
PCB) or the PU
board.
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.
Install the fuser
unit correctly in
a printer.
7.5.2.(7)

Paper unloading jam (error code 382)

(7-1) Paper unloading jam occurs immediately after the power is turned on.

Check item
(7-1-1) Check condition of the paper running path
Paper running Check if paper is jammed or not in the paper
path of the paper running path.
unloading unit
(7-1-2) Check condition of the mechanical parts
Check the sensor Check if shape and movement of the sensor
lever of the paper levers have any abnormality or not.
exit sensor.
(7-1-3) Check condition of electrical parts
Check the detection Confirm that the sensor signals are normally
condition of the detected by using the SWITCH SCAN function of
sensor signal. the self-diagnostic mode.
Check the output Check for the following signals at the RELAy
signal level of the connector
EXIT sensor.
Pin-9: EXIT sensor
Confirm that the above signal levels change
when the sensor lever is operated.
Check the power Check the 5v power voltage at the EXIT
voltages supplied to connector
the relay board.
Pin-1: 5v power supply
Pin-3: 0vL
(7-1-4) Check the system connection
Signal cable for relay Check that FFC is normally inserted at the
board, EXIT sensor RELAy connector
cable PU IF connector
Check that the relay board and the EXIT sensor
are normally connected.
Signal cable for relay Confirm that the cables are not pinched,
board, EXIT sensor sheathes are not peeled off, and they are
cable assembled normally.
7. TROUBLESHOOTING PROCEDURE
Action to be taken
Check work
Remove the
jammed paper.
Replace the
sensor lever with
the good sensor
lever.
Replace the
PU board or
EXIT sensor or
its cable or its
connection cable.
Replace the
of the PU board. EXIT sensor.
Replace the
of the relay board. connection cable.
Normalize the
of the PU board and at the connection
. condition.
Replace the
connecting cable
and normalize
the assembled
condition.
at NG
198 /