Many Czerlop printers work with generic POS/ESC/POS drivers (like Microsoft’s built-in “Generic/Text Only” for basic text). But for label sizes (2x1, 4x6), you must use the Czerlop-specific driver or Seagull / Bartender drivers.
Mac users face unique challenges because most POS drivers are designed for Windows. However, Czerlop provides CUPS (Common Unix Printing System) drivers. czerlop thermal printer driver