Oki LD670 - Page 183

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(2) Select "CLEANING" as your option.
Press the FEED switch briefly (one second or less) three times to move
to "CLEANING."
(3) Press and hold down the FEED switch for one second or longer to accept
the selection.
The printer prints the following when you accept the selection of
"CLEANING":
Cleaning
↑
Sensor Adjustment
↑
Setup
↑
Test Print
End
Sample Print
Data Analysis
Cleaning
Sensor Adjustment
Setup
Test Print
Special Mode
Usage
Item Selection
Please push the feed switch short.
Item Decision
Please push the feed switch long.
Paper feed direction
Selection Item