You can paste columns straight from Excel. Columns can be split by tabs, commas, semicolons or spaces.
3 · SSCC18 & options
Leave it empty to print a blank SSCC area.
Bar widths are rounded to whole printer dots so the barcodes scan reliably.
In the print window, choose your thermal printer, set the paper size to 80 × 148 mm, set margins to None, and set scale to 100% (turn off "Fit to page").