Choose USB001 or the highest numbered USB virtual port. Set Paper Size: Select 80mm x Receipt (not 58mm).
For best results, match the driver to the specific interface and OS version. If no official driver is available for a platform, generic ESC/POS drivers or open-source projects (e.g., libescpos, python-escpos) can often provide full printing capability by sending appropriate command sequences. thermal receipt printer kp206b-ub driver
If you continue to experience issues, your specific firmware revision may require a custom driver. Contact your POS reseller with the exact "F/W Ver" found on the test printout. Choose USB001 or the highest numbered USB virtual port
