Epson Printer issue in Android App

We have integrated Epson SDK in our android app and getting print in the Epson thermal printer. But we want to print QR code in the printer. Need some one help to fix it.

Thanks

Taidot: Android, Mobile App Development, Java, Tietojärjestelmäarkkitehtuuri, C-ohjelmointi

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Projektin tunnus: #28954756