Hello, Thank you for your response. I think the issue is not so hard to solve for your developers, because they just have to make the application compatible for the new Mac Big Sur. i don't think the...

@Kevin_Z Hello, Yes I've tried installing the latest version of USB Printer Controller but unfortunately it did not work. I hope you solve this issue for Mac Big Sur Version 11.0.1 (20B29). Regards,...

@Kevin_Z Hello, same here it seems not supported for Big Sur, Please Update it soon. Thanks, Fakhri

@Kevin_Z Hello, It worked fine, thank you. :D