Oki LD670 User Manual page 92

3. Enter setup mode from special mode.
Press the FEED switch briefly (one second or less) once to move to
"SETUP".
Then, press and hold down the FEED switch for one second or longer to
accept the selection.
The printer prints the following when it enters setup mode:
Setup
↑
Test Print
End
Sample Print
Data Analysis
Cleaning
Sensor Adjustment
Setup
Test Print
Selection Item
Setup
End
Default Set
Setup Print
Setup
Selection Item
Setup
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