Related sections
Air card reader
Connect a printer
Connect a printer to use with SumUp so you can start printing receipts after transactions or reprint receipts from previous sales.
Read ArticleSolve card reader battery issues
Is your card reader not charging or losing battery power fast? Find out how to fix your card reader’s battery-related issues.
Read ArticleIs my printer compatible?
Check out which standalone printers are compatible with SumUp so you can start printing receipts for your transactions.
Read ArticleSet up my card reader
Discover how to set up your card reader so you can start getting paid. Here’s all you need to know to take your card reader from box to counter.
Read ArticleDownload the app
Install our app on your mobile device to access a host of helpful features on the go. Here's how to find and download the SumUp app.
Read ArticleReissue receipts
Provide a second copy of an old receipt or simply send or print a receipt from a previous sale. Here's how it's done.
Read ArticleConnect to a card reader
Connect to your card reader via the SumUp app or a POS device so you can take orders and the accept card payments seamlessly.
Read ArticleReduce the risk of chargebacks
The best way to reduce the risk of payment disputes is to ensure customer satisfaction at all times, but you can also take additional steps to take payments securely.
Read ArticleResolve printer connectivity issues
Printer disconnected? When the "Can’t connect device" error message shows, here’s how you can reconnect your printer to resume printing.
Read ArticleIs my card reader compatible?
Check if your card reader can connect to the smart phone, tablet or POS device you're using and what compatibility requirements there are for using our apps.
Read ArticleCreate my modifiers
The modifiers feature allows your to customise your own checkout process and minimise the number of items that are needed in your catalog.
Read ArticleGet the most out of my card reader
Improve the performance of your card reader with advice on how to use it best. From battery life to updating your reader, here’s what you need to know.
Read ArticleAccept card payments
Accepting card transactions with a card reader is quick and easy with SumUp. Here’s all you need to know.
Read ArticleTroubleshoot my Air and 3G card reader
Is your card reader not working? Here is how you can solve common card reader-related issues
Read ArticleUpdate my card reader
Your card reader automatically checks for updates on a regular basis, however here's how to manually check for card reader updates to ensure everything runs smoothly.
Read ArticleMy card reader won't connect
Bluetooth connection not working? Find out how to reset your card reader's Bluetooth and fix connectivity issues.
Read ArticleActivate Bluetooth
Turn on your Bluetooth so you can connect to other devices to take payments.
Read ArticleMy card reader is blocked
If your device is blocked or otherwise defective, you may be eligible for a free replacement. Here's how you can get a replacement device if yours breaks.
Read ArticleWhat’s the Air card reader?
The Air card reader offers an easy, mobile way of accepting card payments wherever you are by connecting to you mobile device.
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