Oki LD670 Guía De Usuario página 173

The printed pattern is as follows.
a) LABEL1 pattern
b) LABEL2 pattern
c) LABEL3 pattern
d) LABEL4 pattern
e) LABEL5 pattern
When the FEED switch is pressed short, the following pattern is printed.
"LABEL1" "LABEL2" "LABEL3" "LABEL4" "LABEL5"
 "LABEL1"・・・・・・
When the FEED switch is pressed long (about one second), the same
pattern is printed again.
The sample print mode is ended by the printer power supply determination.
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