PayJunction should work with any printer that can print a standard webpage.
For thermal receipt printers, PayJunction recommends the following:
Windows:
- Star TSP 100 (USB)
- Samsung SRP-350 (USB)
Mac:
- Star TSP643U (USB)
- Star TSP 100 (USB)
You may purchase a Star TSP 100 printer from within your PayJunction account by selecting Support in the main menu and clicking Order Supplies.