Error Caused By The Defective Mechanism; Fuse Cut Error (Error Codes 153 To 155) - Oki MB461 Maintenance Manual

Oki Data CONFIDENTIAL

(14-3) Error caused by the defective mechanism

Check item
(14-3-1) 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.
Check if a heavy mechanical load is being
applied to the ID unit by the waster toner box, or
not.
(14-3-2) 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.
44871001TH Rev.6
Check operation Actions for NG
results
Replace the K
toner.
Replace the
CU/PU board or
the ID motor.

8.5.5. (15) Fuse cut error (Error codes 153 to 155)

(15-1) Fuse cut error
Check item
(15-1-1) Check the system connection
FFC connecting the Check if the HVIF connector of the CU/PU board
CU/PU board and or the HVIF connector of the high voltage board
the high voltage (97T PCB) is connected halfway or inserted in a
board (97T PCB) slanted angle.
(15-1-2) 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.
8. TROUBLESHOOTING PROCEDURES
Check operation Actions for NG
results
Connect the
FFC normally.
Alternately,
replace the FFC.
Replace the
CU/PU board.
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