Fuse Checking - Oki C3400n Maintenance Manual

7.6

Fuse Checking

If the following errors occur, please check each fuse of the main board (BLA PCB). (Please refer
to Table 7-6)
Fuse Name
Main board
(BLA PCB)
R336
High Voltage
Board
Fuse information list and Mounting place
F1, F3, F4,
R336
Main
board
F2
F5
F1
High-
voltage
board
F2
*1 : Fuse F1 and F2 of the high-voltage board should be specified by WICKMAN or LITTEL
R336
Enlarged drawing 1 of the main (BLA) board
43163501TH Rev. 1
Table 7-6 Fuse Errors
Error Description
F1 Hopping error
Papers conveying error
F2 Papers conveying error
ID UP/DOWN error
F3 FAN error
Hopping error
F4 Cover open
F5 Service call 130 to 134 error
The LED turned off without control began.
F1 Cover open error
F2 POWER LSI error
Maker name Model name
LITTEL 0494 002NR
LITTEL 0494 001NR 5402212S0102
LITTEL 0494 003NR 5402212S0302
WICKMAN
3821200
or
0663 002
LITTEL (*1)
WICKMAN
3821125
or
0663 1.25
LITTEL (*1)
HEAT
IDUP
IC16 IC15
Paper feed motor, fuser motor 24V
Belt motor,
ID UP/DOWN motor 24V
Solenoid, FAN,
Fuse cutter 24V
Sensor etc. 5V
LED HEAD 5V
For controlling 3.3V
High voltage 24V
High voltage 5V
Rated Rated
Figure NO
current voltage
5402212S0202 2A 32V
1 32V
3A 32V
--- 2A 50V
--- 1.25A 50V
RFID
KHEAD
YHEAD
MHEAD
Enlarged drawing 2 of the main (BLA) board
Oki Data CONFIDENTIAL
Insert Point
Mounting place
Please refer to enlarged drawing 1
of the main (BLA)board parts.
Please refer to enlarged drawing 1
of the main (BLA)board parts.
Please refer to enlarged drawing 2
of the main (BLA)board parts.
Page 181 Please refer to the figure
of high-voltage power supply board
Page 181 Please refer to the figure
of high-voltage power supply board
F5
CP13
170 /