Oki OKIPAGE 12i Service Handbook page 157

7) Interface Parameter Setting
The following settings are possible by pressing the ENTER key, after selecting the display
contents of the LCD of the operator panel by using the
Settings are retained even when the printer power is turned off.
By pressing the ON LINE key, menu setting mode is completed and the printer returns to on-
line state.
OFF-LINE
Ready
XXX
Keep the MENU key down for more than 2 seconds and bring the printer into menu setting
mode (level 2). Next, press the MENU key 9 times.
PARALLEL
Ready
I/F
Press the ENTER key.
SPEED
Ready
Contents
XXX : PCL, AUTO, Adobe PS, HEX DUMP, PRR or FX
"PARALLEL I/F" is displayed on the LCD.
Item
Contents of Display
HIGH
MEDIUM
Factory Setting: HIGH
B - 5
and keys.
Data Transfer Speed
Function
High speed
Normal speed