Hello all,
i used the follow command:
apd.PSExternal(261,"BC52:1|"+mac);
apd.PSExternal(266,lines);

i have problem with the Printer QLN220 if i print with the zpl command:

function lines()
{¨
var lines=""
lines="^XA";
lines+="^FO1,1^BY3";
lines+="BCN,50,Y,N,N";
lines+="^FD123456^FS";
lines+="^XZ";
return lines;
}

i got 8 blank label and then right barcode on the label, what is wrong???
thx for the help