45376001TH Rev.1
190 /
Oki Data CONFIDENTIAL
7. Troubleshooting and repair procedure
(16-3) Error caused by the defective mechanism
Check item Check work
Action to be taken
at NG
(16-3-1) Mechanical load applied to the ID unit
ID unit Check if a heavy mechanical load is being
applied to the ID unit due to breakage of the
waster toner belt, or not.
Replace the ID
unit.
If any attempt
of using new ID
unit as a trial
is going to be
made, be sure to
use the System
Maintenance
Menu FUSE
KEEP MODE.
(16-3-2) Motor operating condition
ID motor Confirm that the respective ID motors work
normally or not by using the Motor & Clutch Test
of the self-diagnostic mode.
Check if any extra load exists or not.
Replace the PU
board or the ID
motor.
7.5.4. (17) Fuse cut error (error codes C3EA,C3EB,C3EC,C3ED,,C3E2,C4C0)
(17-1) Fuse cut error
Check item Check work
Action to be taken
at NG
(17-1-1) Check the system connection
FFC connecting the
PU board and the
toner sensor board
(PRZ PCB)
Check if the connector is connected in the half-
way only or not, and is inserted in a slanted angle
or not at the SSNS connector
of the PU board,
and at the SSNS connector of the toner sensor
board (PRZ PCB).
Check if FFC has open-circuit of sheath of the
FFC has not peeled off or not.
Connect the
FFC normally.
Alternately,
replace the FFC.
(17-1-2) Fuse cut circuit
PU board Upon completion of the system connection check,
turn off the power once and back on. The, check
if the error occurs or not.
Replace the PU
board.
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