System updates

We’re experiencing issues that may affect your Square services. We’ll continue to update our status page with more information.

Home>Supported Hardware

Connect Recommended Hardware to Square Register

Square Register makes it easy to connect compatible cash drawers, receipt printers and barcode scanners. To get started, check the hardware compatibility with Square Register.

Important to Note

  • Prior to connecting hardware, ensure that your Square Register is connected to the USB accessory hub, power adapter and power adapter cable.

  • When a piece of hardware is properly connected, Square Register will confirm with an on-screen notification as well as with an audio indication.

  • Other Bluetooth-connected hardware accessories that aren’t printers, including Bluetooth-connected barcode scanners, aren’t supported with Square Register at this time.

  • Scales aren’t compatible with Square Register at this time.

Connect Hardware to Square Register

From printers to cash drawers, connecting hardware usually requires a few simple steps to get you up and running. Refer to the instructions below for commonly used, third-party hardware accessories.

USB and Ethernet Printers

  1. Depending on the printer model, plug the appropriate cord directly into your USB accessory hub or router.

  2. Tap More from the navigation bar at the bottom of your screen, then tap Settings > Hardware.

  3. Tap Printers > Profiles > Create printer profile.

  4. Enter a profile name and specify what the printer profile will be used for (e.g. Receipts, Bills and Reports, Order Tickets or Order Ticket Stubs).

  5. Review your printer settings - including the option to Automatically Print Receipt, Enter Custom Name or Number, Auto-Assign Ticket Numbers or select the specific categories to print on the ticket.

  6. Tap Save and then tap Assign printer.

  7. Select the printer from the list of connected printers or tap Connect new printer and follow the prompts to connect.

  8. Tap Save.

Learn more about connecting a receipt printer to your Square Register:

Bluetooth Printers

Compatible Bluetooth printer models

  • Star Micronics mC-Print3 / mC-Print31 

  • Star Micronics mPOP

  • Star Micronics TSP654IIBi

  • Epson TM-M30

  • Star Micronics TSP143IIBi

  • Star Micronics SM series SM-T300i

  • Star Micronics SM series SM-S210i / SM-S210i2

  • Star Micronics SM series SM-S220i

  • Epson TM-m10

  • Epson TM-m30II

Before pairing your compatible Bluetooth printer to Square Register, make sure your printer is connected to a power source and turned on. The power switch will either be on the back or the side of the printer. To get started:

  1. On your Square Register, go to Settings > Hardware.

  2. From the options listed, locate Bluetooth and toggle the option to ON.

  3. Under Supported Devices, find your branded device (Star Micronics or Epson) and select Connect.

  4. Your Bluetooth printer model should then appear on the screen. Select your printer and tap Confirm.

  5. Select Allow access and Pair.

Once you pair your printer to Square Register, you’ll need to create a printer profile that uses your Bluetooth printer to print receipts and order tickets. To get started: 

  1. From your Square Register, tap Settings > Hardware > Printers.

  2. Tap Printers > Profiles > Create printer profile.

  3. Enter a name for your printer profile and specify what the printer profile will be used for, such as Receipts, Bills and Reports, Order Tickets or Order Ticket Stubs).

  4. Review your printer settings - including the option to Automatically Print Receipt, Enter Custom Name or Number, Auto-Assign Ticket Numbers or selecting the specific categories to print on the ticket.

  5. Tap Save and then tap Assign printer.

  6. Select the printer from the list of connected printers or tap Connect new printer and follow the prompts to connect.

  7. Tap Save.

Printer-Driven Cash Drawers

  1. After successfully connecting your printer by following the instructions above and creating a printer profile, connect the cash drawer interface cable directly to your receipt printer.

  2. Tap More from the navigation bar at the bottom of your screen > Settings > Hardware.

  3. Tap Cash Drawers > tap Test Cash Drawer to ensure the hardware is working as needed.

Note: Printer-driven cash drawers won’t appear under Available Cash Drawers, but you can ensure they work by tapping Test Cash Drawer as noted above.

USB Cash Drawers

  1. Connect the cash drawer USB cable directly to your USB accessory hub.

  2. Tap ≡ More > Settings > Hardware.

  3. Tap Cash drawers > confirm the appropriate cash drawer is listed under Available Cash Drawers.

  4. Tap Test Cash Drawer to ensure the hardware is working as needed.

USB Barcode Scanners

  1. With Square Register running Square Point of Sale, plug your barcode scanner into the USB accessory hub.

  2. Tap ≡ More > Settings > Hardware.

  3. Tap Barcode scanners > confirm the appropriate barcode scanner is listed under Available Barcode Scanners.

Note: Bluetooth barcode scanners aren’t compatible with Square Register.

Troubleshoot the USB Accessories

If you have any trouble connecting your printer, cash drawer or barcode scanner to Square Register, try the following troubleshooting tips:

  • Make sure Square Register is plugged into the USB accessory hub, and the USB accessory hub is plugged into a power adaptor. Ensure the power adaptor is plugged into an outlet.

  • Clear the Square Register USB accessory port of debris and dust.

  • Plug the hardware into a different port on the USB accessory hub.

If you connect your hardware and you receive the error message USB DEVICE ISN’T COMPATIBLE, you’ll need to reset your barcode scanner or check hardware compatibility with Square Register.

Review the following video to learn more about mounting Square Register to your countertop once you’ve finished setting up your hardware. You can also reference the articles below if you run into any issues.

Can’t find what you need?