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I have a dot matrix printer capable of 180 dpi (EPSON TM-U220) and a C# WPF application for billing. It must print a ticket with a barcode and a QR code. I am using zxing to generate a barcode and a QR code and I just print it using printDialog.

The QR code and barcode are not readable using the scanner, unless they are printed with a very big size. Is there a way to print readable barcodes and QR codes using a dot matrix printer?

Peter Mortensen
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Joan Gerard
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  • I don't think dot matrix printers have a fine enough detail to be able to do bar/qr codes without as you said, making it bigger. You may need to look into a thermal printer in order to keep the barcode size down. Good luck. – TyCobb Apr 06 '15 at 20:52

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