Oki Data CONFIDENTIAL
44871001TH Rev.6
8-63
8. TROUBLESHOOTING PROCEDURES
(14-3) Error caused by the defective mechanism
Check item
Check operation
Actions for NG
results
(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.
Replace the K
toner.
(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.
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
Check operation
Actions for NG
results
(15-1-1) Check the system connection
FFC connecting the
CU/PU board and
the high voltage
board (97T PCB)
Check if the HVIF connector of the CU/PU board
or the HVIF connector of the high voltage board
(97T PCB) is connected halfway or inserted in a
slanted angle.
Connect the
FFC normally.
Alternately,
replace the FFC.
(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.
Replace the
CU/PU board.
Summary of Contents for MB461MFP
Page 1: ...MB461 MB471 MB491 MB491 MB491 LP MPS4200mb MPS4700mb Maintenance Manual 031314C ...
Page 72: ...Oki Data CONFIDENTIAL 44871001TH Rev 6 3 21 3 MFP INSTALLATION Sample MB471 Sample MB491 ...
Page 114: ...44871001TH Rev 6 4 36 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS ...
Page 138: ...Oki Data CONFIDENTIAL 5 LUBRICATING POINT 5 1 Lubrication point 5 2 ...
