Oki ML390 Service Manual page 237

Example Printer Serial Number: 401A0154693
Date Code 401 (4 = year. 01 = month)
Revision A
Serial Number 0154693
Compatibility Chart
Item Okidata
P/N
Main
Control
Board
SKRA 55045401
Board
SKRB 55038702
Board
SKRA-3 55045403
Board
Power
Supply
Board
PAII 55038801
Board
SUII 55047401
Board
Operator
Panel
Assembl
y
Purpose / Printer
Function of Serial
Item Number
Revision
Level
390/391
A
Main Control Yes
Board
Main Control Yes
Board
Main Control Yes
Board
Power Supply Yes
Board
Power Supply Yes
Board
390/391 390/391
B C
Yes No
Yes No
Yes Yes
Yes No
Yes Yes
390 391+
+
No No
No No
Yes Yes
No No
Yes Yes