Pos-x's Custom K3 receipt printer provide lightning fast printing at 13 ips, saving time with every transaction. Ideal for applications to print receipts, coupons, kitchen orders, invoices, or tickets. It is elegantly designed and conceived to suit any environments. Built in USB, Serial, and Ethernet along with optional Wi-Fi and Bluetooth interface. With an option to automatically open the door when out of paper, the operator don't have to question when to replace the roll. The K3 receipt printer can reduce your paper usage by 50% with K3's built in paper saving function.