Operator Panel Assembly - OKIDATA ML320 Service Manual

NOTE:
Please refer to the parts lists
need before ordering to avoid confusion and incorrect parts orders.
Printer Serial Number Identification
There are four serial number revision levels for the Microline 320 and 321 printers. Hardware differences exist
between levels. To identify the revision level of a printer, record the serial number from the back of the printer.
Refer to the following to decode the serial number.
Example Printer Serial Number: 401D0154693
Date Code
Revision
Serial Number 0154693
Item Okidata
P/N
LXMC 55041411
Board
LXMC- 55041412
3 Board
LXMR 55075111
Power Supply Board
Item Okidata
P/N
PAII-2 55039902
Board
SUII-2 55047402
Board
N/A N/A

Operator Panel Assembly

Item Okidata
P/N
LXSP-2 55038602
(Appendix B) for parts differentiation. Please be sure of the parts you
401 (4 = year. 01 = month)
D
Purpose / Function of Item
Main Control Board
Main Control Board
Main Control Board (with SSD)
Purpose / Function of Item
Power Supply Board
Power Supply Board
Power supply function included
on the Main Control Board
Purpose / Function of Item
Operator Panel Board
A B C
Yes Ye No
s
Yes Ye Ye
s s
No No No
A B C
Yes Ye No
s
Yes Ye Ye
s s
No No No
A B C
Yes Ye Ye
s s
D
No
No
Ye
s
D
No
No
Ye
s
D
No