Inner Printer in Sunmi Devices Only functional with @android6.3.0 You can refer to this Doc for more Details
https://docs.sunmi.com/htmls/index.html?lang=en##Print%20and%20Customer%20Display
http://ota.cdn.sunmi.com/DOC/resource/re_en/SunmiPrinter%20Developer%20documentation.pdf
All the Functions are given in the www/innerprinter.js for Function description you can refer to the documentation.
this is a replica of https://github.com/labibramadhan/cordova-sunmi-inner-printer
Cut paper function is added in this repository.