Oki C301 Maintenance Manual

44951501TH Rev.2
7-54
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING
(16-3) Error caused by the defective mechanism
Check item Check operation
Actions for NG
results
(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.
Check if a heavy mechanical load is being
applied to the ID unit by the waster toner box,
or not.
Replace the K
toner.
(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
CU/PU board
or the ID motor.
7.5.2. (17) Fuse cut error (error codes 153 to 155)
(17-1) Fuse cut error
Check item Check operation
Actions for NG
results
(17-1-1) Check the system connection
FFC connecting the
CU/PU board and
the toner sensor
board (ZHJ PCB)
Check if the SSNS connector
of the CU/
PU board or the SSNS connector
20
of the
toner sensor board (ZHJ PCB) is connected
halfway or inserted in a slanted angle.
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.

Oki C301 Specifications

General

Brand	Oki
Model	C301
Category	Printer
Language	English