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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.

Connect a Ethernet Receipt Printer to Your Android

Supported Ethernet Receipt Printer

Star Micronics TSP143LAN Desktop. 80mm/3" receipt paper (58mm/2" receipt paper cannot be used for Square Point of Sale app)

To get started, make sure your printer has an Ethernet interface.

  1. 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.
  2. Connect the power cord to the printer.
  3. Turn on the power switch on the printer side.

What You'll need: A supported receipt printer, a standard ethernet cable and an AC power cord for the printer

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.   

Connect a USB Receipt Printer to Your Android

Supported USB Receipt Printer

Star TSP143GT/TSP143IIIU Desktop. 80mm/3" receipt paper (58mm/2" receipt paper cannot be used for Square Point of Sale app)
  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.

Note: To connect a USB receipt printer or cash drawer, your Android device must support USB On-The-Go (OTG) or USB Host mode.

JP Android USB Printer How to Connect Image

Connect a Printer to Your Square POS app

When you connected your Android to either Ethernet or USB printer, open the POS app, then follow the steps below:

  1. Tap three horizontal lines.
  2. Tap Settings > Printers > Create Printer Station.
  3. Enter the name of the Printer Station.
  4. Toggle on Receipts, Bills, Reports, Open Cash Drawers. Toggle on Order Tickets and Order Ticket Stubs, if necessary.
  5. Tap Printer.
  6. Select your printer. To test your connection, tap Test Print

    Point: If you cannot find your printer name, this means that your Wifi or USB is not connected properly. Make sure to check your Wifi or USB connection.
  7. Tap the back arrow.
  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 checks or other-tender gift cards

Connect a USB Bar Code Scanner to your Android Device

To connect a supported bar code 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 bar code scanner into your Android device using the adaptor.
  3. The app will notify you when an accessory has been attached. 

Connect a USB Scale to your Android Device

The Brecknell 6700U USB Scale is supported through Android smartphones and tablets are 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.

Connect Hardware to the other devices (iPad or iPhone)

To connect hardware to your iPad, view Connect Hardware to iPads

To connect hardware to your iPhone, view Connect a Printer to an iPhone