Dean
Apart from the Windows printer driver, you can use the text driver to send the thermal printer's own internal formating language which is a heck of a lot quicker- especially if you are printing multiple labels the same since most thermals allow one label specification with a count parameter and it just spits them out, even for complex labels. If that's what you're already doing, apologies for preaching to the converted! For a first step, if the new printer comes with a windows driver, get the output right, then save the output from the two printers to disk to compare.
Regards
j.R
"... They ne'er cared for us
yet: suffer us to famish, and their store-houses
crammed with grain; make edicts for usury, to
support usurers; repeal daily any wholesome act
established against the rich, and provide more
piercing statutes daily, to chain up and restrain
the poor. If the wars eat us not up, they will; and
there's all the love they bear us."
-- Shakespeare: Coriolanus, Act 1, scene 1
