Barcode production guide
How do I print a 60 × 40 mm barcode label?
Set the exact thermal-label media size and avoid browser scaling or A4 positioning errors.
Choose the 60 × 40 mm label size, keep important content inside the label bounds, and open the thermal print layout. In the system print dialog select the same 60 × 40 mm custom media, use 100% scale, disable headers and footers, and verify the result with one test label before printing a batch.