Oki LD670 User Manual page 123

Press and hold down the FEED switch for at least one second to accept the
selection.
The printer prints the following upon your acceptance of "PNE DETECT"
selection:
7. Select "DISABLE" as your option.
Quickly press the FEED switch (up to one second) to move to
"DISABLE".
Enable
Disable
Enable
Selection Item
PNE Detect
Disable
↑
Enable
Disable
Enable
Selection Item
PNE Detect
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