Paper Exit Jam(Error 382) - Oki C810 Maintenance Manual

Oki Data CONFIDENTIAL
(6-4) Paper path jam occurs right after reaching the fuser unit
Confirmation Items
(6-4-1) Check of operating state of motors

Fuser motor Conduct the Motor and Clutch Test of the self-
diagnostic mode, and check to see if the fuser
motor operates normally.
Make this checking in the presence and
absence of a load.
(6-4-2) Temperature control of rotating roller
Heat roller detection Check the detection temperature of the heat
temperature rollers in the self-diagnostic mode. Check to
see if an abnormally low or high temperature is
detected.
(6-4-3) Check of installed state of fuser unit
Fuser unit Check to see if the fuser unit is properly
installed (whether it is pushed in to the lowest
position).
44072903TH Rev.1
Confirmation Tasks Action at NG

Replace the PU
PCB. Replace
the fuser motor.
Replace the
fuser unit. To
use a new fuser
unit on a trial
basis, use FUSE
KEEP MODE
of the System
Maintenance
Menu.
Replace the
fuser unit, or
replace the
junction PCB
(P6Y PCB) or
PU PCB. To use
a new fuser unit
on a trial basis,
use FUSE
KEEP MODE
of the System
Maintenance
Menu.
Install the unit
properly in the
printer.

7.5.2.(7) Paper Exit Jam(Error 382)

(7-1) Paper exit jam occurs right after turning on the power
Confirmation Items
(7-1-1) Check of state of running route

Paper running route Check to see if there is paper jammed on the
in delivery section running route.
(7-1-2) Check of state of mechanical parts

Check the sensor Check to see if the sensor lever demonstrates
lever of the delivery any abnormal shape or motion.
sensor
(7-1-3) Check of electrical parts
Check the state Use the SWITCH SCAN function of the self-
of sensor signal diagnostic mode to check to see if the sensor
detection. signal is detected normally.
Check the output Check the following signal through the RELAY
connector ⑧ of the PU PCB.
level of the EXIT
sensor.
Pin 9: EXIT sensor
Confirm that the signal level varies as the sensor
lever is actuated.
Check the output Check the following signal through the RELAY
connector ⑧ of the PU PCB.
level of the Fuser IN
sensor
Pin 20: Fuser IN sensor
Confirm that the signal level varies as the sensor
lever is actuated.
Check the power Check the 5-V power through the EXIT
connector ㉖ of the junction PCB (P6Y PCB).
of the junction PCB
(P6Y PCB).
Pin 1: 5-V power
Pin 3, 6pin: 0 VL
7. TROUBLESHOOTING PROCEFRURES
Confirmation Tasks Action at NG

Remove the
jammed paper.
Replace the
sensor lever with
a normal one.

Replace the
PU PCB, EXIT
sensor or
connection cord.
Replace the
EXIT sensor.
Replace the
Fuser IN sensor.
Replace the
connection cord.

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