How to Connect a Cash Drawer

A cash drawer connects to your receipt printer, and is triggered to open automatically when you finish a cash sale.

Most of receipt printers have a special cash drawer connector, usually of RJ11 type. Refer to your receipt printer and cash drawer manuals to make sure they are compatible. As long as they are, and given the receipt printer is supported by Loyverse POS, such cash drawer can be used with Loyverse POS as well.

Before connecting a cash drawer, your printer should be paired with Loyverse POS using the Print Receipts and Bills option in your app settings.

Find the cash drawer socket on your receipt printer.

RJ11 socket on printer


Plug the cash drawer cable into the socket.

RJ12 connector cable pluged into the socket.


Turn the printer on and ring up a cash sale using the Loyverse POS app. The cash drawer will open when the sale is completed.

cash drawer with printer

A cash drawer also opens when:

  • A refund receipt is printed for cash refunds only
  • Opening shifts for employees to enter the initial cash amount
  • Closing shifts for employees to calculate the final cash amount
  • ‘Pay In’ and ‘Pay Out’ actions performed to put money into or take from the cash drawer
  • Using the ‘Print test’ option to test your printer’s connection with the Loyverse POS app


See also:

How to Set Up an Ethernet Printer in Loyverse POS