The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
Your Brother machine does not support iPrint&Scan.
Refer the link below to see the supported models and corresponding functions.
> Click here to see the supported models and corresponding functions.
The Brother iPrint&Scan app is not available for the models that are not listed above.
DCP-135C, DCP-145C, DCP-165C, DCP-195C, DCP-350C, DCP-385C, DCP-560CN, DCP-7010, DCP-7010L, DCP-7025, DCP-7030, DCP-7055, DCP-8060, DCP-8070D, DCP-J125, DCP-T220, DCP-T300, DCP-T310, DS-600, DS-620, DS-700D, DS-720D, FAX-1360, FAX-2820, FAX-2840, FAX-2920, FAX-8360P, HL-2030, HL-2035, HL-2040, HL-2070N, HL-2130, HL-2140, HL-2150N, HL-2240D, HL-3040CN, HL-4040CN, HL-5240, HL-5240L, HL-5340D, HL-6050DN, HL-7050, HL-8050N, HL-L5000D, MFC-235C, MFC-250C, MFC-465CN, MFC-5860CN, MFC-7225N, MFC-7320, MFC-7360, MFC-7420, MFC-7440N, MFC-7820N, MFC-8220, MFC-J220