Connect Hardware to the Square Point of Sale App on Android Devices

Connect supported hardware accessories to the Square Point of Sale app on your Android device. To get started, view supported hardware for Android devices.

Create a Printer Station and Connect a Printer to Your Android Device

Use Printer Stations to save your settings to your device and easily swap between connected printers.

Ethernet Receipt Printer

  1. Locate your wireless router with Ethernet port and make sure you have a strong Wi-Fi signal.
  2. Connect one end of the Ethernet cable into the rear panel of the printer and plug the other end of the cable into the wireless router’s Ethernet port.
  3. From the Square app, tap: Three Horizontal Lines or the down arrow at the top of the Square Register: Register Switcher
  4. Tap Settings > Printers > Create Printer Station.
  5. Enter a printer station name.
  6. Tap Printer and select your printer.
  7. Make sure the receipt printer and your device are connected to the same Wi-Fi network. To test your connection, tap Test Print.
  8. Toggle on Receipts, Order Tickets, and/or Order Ticket Stubs.
  9. Tap Save.

To connect multiple devices to the same Ethernet printer, follow these steps with each Android device. You can also print copies of the same receipt to multiple printers from one device.

Note: Your printer must have an Ethernet interface. You can order swappable interfaces but be sure to request the Ethernet connection type on your printer.   

USB Receipt Printer

  1. Plug your supported USB receipt printer into a power source.
  2. Plug your printer into your Android device using a USB OTG (On-The-Go) adaptor.
  3. From the Square Point of Sale app, tap: Three Horizontal Lines.
  4. Tap Settings > Printers > Create Printer Station
  5. Enter a printer station name.
  6. Tap Printer and select your USB printer. To test your printer connection, tap Test Print.
  7. Toggle on Receipts, Order Tickets, and/or Order Ticket Stubs.
  8. Tap Save.

Connect a Cash Drawer to Your Android Device

There are two options for connecting a cash drawer to the Square app on your Android device:

  • Link your cash drawer directly to a supported receipt printer.
  • Connect your cash drawer directly to your Android device via a USB OTG adaptor.

Once the cash drawer is set up, it’ll automatically open in the following scenarios:

  • Cash payments
  • Cash refunds
  • Payments entered as cheques or other-tender gift cards

Connect a USB Barcode Scanner to your Android Device

To connect a supported barcode scanner, your device must be running Android 5.0 software and you’ll need a micro USB to USB adaptor. To get set up:

  1. Open the Square app on your device.
  2. Plug the USB barcode scanner into your Android device using the adaptor.
  3. The app will notify you when an accessory has been attached. 

Keep in mind, bluetooth scanners are not currently supported on Android devices.

Connect a USB Scale to your Android Device

The Brecknell 6700U USB Scale is supported through Android smartphones and tablets and requires the following:

The latest version of the Square app for Android (version 5.27).
Items configured to sell by weight.
RS-232 to USB-A cable. Note: We do not yet carry these cables in the Square Shop, but you can order one from Amazon.

To connect the Brecknell 6700U scale to your device:

Plug the 9-pin male end of the RS-232 cable into the port on your scale, and insert the USB-A male side into the hub for your Android device.
To check the connection, open the Square Point of Sale app and tap the three horizontal lines on the navigation bar.
Tap Settings > Scales.
The connected scale should appear in the app menu as Brecknell USB Scale.

Note: Your Square Point of Sale can only connect to one scale at a time.

To disconnect the scale, simply unplug the scale’s cable from your device.

For a list of all supported hardware by device, check out our Compatibility article.