Oki PT340 User Manual page 46

2.
Ensure that paper is set in the printer. Turn off the power switch on the printer, then
turn it on again while pressing the FEED button on the control panel. This outputs
the printout shown in section 9-1.
Then Press the FEED button twice (to select 2. Setup Menu) enters setup
mode and prints the following menu.
Setup Menu
1.Setting
2.Setup Print
3.Save & End
4.Default Set
<Set>
Press FEED button for the number of times
as the same as your selecting item, and
wait more than 1 second.
<Return>
Continue to press FEED button more than
1 second.
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