USB receipt printer and cash drawer.

1. Install the printer's Windows driver from its maker, then plug it in.
2. In ARC OS: Settings, Hardware, Receipt printer. Choose This computer's printer and pick it from the list.
3. Plug the cash drawer's cable into the printer's DK (drawer) port. In Hardware, turn on Cash drawer; pin 2 suits most drawers.
4. Test print, then Open drawer. If the drawer does not open, try pin 5.

Sinhala and Tamil print as pictures on receipt printers (Hardware, Print Sinhala and Tamil as they are written). Turn it off only on very old printers.