Print QR Code on ThermalReceipt using POS for .NET

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I want to print QR code on receipt but it gives an error
Printing of text works fine but unable to print the bitmap image or bitmap memory.

It throws an error when i use

1. PrintBitmap

printer.PrintBitmap(PrinterStation.Receipt, filePath, PosPrinter.PrinterBitmapAsIs, PosPrinter.PrinterBitmapCenter);

"Method PrintBitmap threw an exception. The device cannot perform the requested procedure."

2. PrintMemoryBitmap

System.Drawing.Bitmap bm = QRGen(text);

printer.PrintMemoryBitmap(PrinterStation.Receipt, bm, PosPrinter.PrinterBitmapAsIs, PosPrinter.PrinterBitmapCenter);

"Method PrintMemoryBitmap threw an exception. The Control cannot communicate with the Service Object. Most likely, a setup or configuration error must be corrected."

Posted 28-Nov-13 0:35am

Member 10222896

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Member 10222896 28-Nov-13 6:35am

Please anybody who can help me on this?

Marc Gabrie 29-Nov-13 12:29pm

What class are you using there? There's an obj called "printer" you have in your code... what is that? an external library? elaborate a bit.

Michael Wicki 22-Mar-15 17:59pm

It is POS for .NET as is remarked in the Subject ;)

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C@dER@j · Answer 1 · 2013-11-29T00:53:00

Solution 1

Go for normal printing but in this you need to specify the length and width of the material on which you are going to print your QRCode. This setting you will find in the printer setting of that particular printer.

Best of luck

Posted 29-Nov-13 0:53am

C@dER@j

Michael Wicki · Answer 2 · 2015-03-22T11:57:00

Solution 3

Hello,

May you better use the given PrintBarCode function?

printer.PrintBarCode(PrinterStation.Receipt, "Test", BarCodeSymbology.QRCode, 100, 100, 1, BarCodeTextPosition.Above);

Kind Regards,
Michael

Posted 22-Mar-15 11:57am

Michael Wicki

Comments

edaniel1984 11-May-16 15:06pm

This doesn't work ... QRCode is not supported directly from that method.