>

>
>ESC & a n L    27 38 97 n 76    1B 26 61 n 4C    Left Margin     (0 Í n Ê 78; with 10 cpi pitch)
>ESC & a n M    27 38 97 n 77    1B 26 61 n 4D    Right Margin    (1 Í n Ê 79; with 10 cpi pitch)
>
>

>
>I think they are the valid range, Left margin can be set from 0 to 78 and Right Margin from 1 to 79 when using 10 cpi pitch
>

Thank you.

Alex