Don't worry. label printers are too easy to use. You send your lines randomize order and you say printer how much label will be print. I do with zebra-eltron,datamax,citizen. want programmers guide.

if you want I can send you eltron-zebra programmers guide .PDF file with e-mail ( others with paper sorry).

don't use ? or ??. because windows printer driver catch these. use ??? or copy file commands.