44205401TH Rev.1
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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
w
aster 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 Confir
m that the respective ID motors w
ork
normally or not by using the Motor & Clutch Test
of the self-diagnostic mode.
Check if any extra load exists or not.
Replace the
CU/PU board or
the ID motor.
7.5.2. (17) Fuse cut error (error codes 150 to 155)
(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
CU/PU board and
the toner sensor
board (PRZ PCB)
Check if the connector is connected in the half-
wa
y only or not, and is inserted in a slanted angle
or not at the SSNS connector of the CU/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
CU/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
CU/PU board.