Check Of Fuses - Oki C810 Maintenance Manual

Oki Data CONFIDENTIAL

7.6 Check of fuses

If any of the following errors is issued, check the corresponding fuse on the CU control PCB
(SP2 PCB), PU control PCB or high-voltage power supply PCB. (See Table 7-6.)
Table 7-6 Fuse Error
Fuse Name Error Description
F1 Hopping Error
ID-up/ down error
F2 Power supply fan
error
Hopping error
PU PBC
F3 Duplex FAN error
2nd hopping error
3rd opping error
F4 Cover open
F5 Power interruption
IP901 Cover Open
High Voltage
IP902 Service Call Error
121
R190 R190:Service Call
CU control
R191 131,134
PCB
R191:Service Call
(SP2 PCB)
132,133
44072903TH Rev.1
Insert Point Resistance
Feed motor, IP up/down motor,
24V High voltage, fan, update
Ver.
Power supply fan, paper feed
solenoid, 24V
Duplex, 2nd, 3 rd 24V
Belt motor, High-voltage PBC
1Ω or less
24V
PU PBC 5V
High voltage 24V
High voltage 5V
LED HEAD 5V
PU control PCB component side
F2 F3 F5
CP5
F4
CU control PCB component side
High-voltage power supply PCB component side
TR-K
CN1
IP901
7. TROUBLESHOOTING PROCEFRURES
F1
CP3
R191
R190
CP7
CN4
CN5
TR-Y TR-M TR-C
IP902
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