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-110C, DCP-115C, DCP-130C, DCP-135C, DCP-145C, DCP-150C, DCP-1511, DCP-1601, DCP-165C, DCP-185C, DCP-195C, DCP-330C, DCP-350C, DCP-385C, DCP-540CN, DCP-7010, DCP-7030, DCP-7040, DCP-7055, DCP-7060D, DCP-J100, DCP-J125, DCP-L2520D, DCP-T300, DCP-T310, DS-620, DS-640, DS-720D, DS-740D, FAX-2820, FAX-2840, FAX-2850, FAX-2920, FAX-717, FAX-727, FAX-737MC, FAX-817/FAX-817S, FAX-827/FAX-827S, FAX-837MC/FAX-837MCS, FAX-878, HL-1111, HL-1201, HL-2040, HL-2130, HL-2140, HL-2240D, HL-3040CN, HL-4040CDN, HL-5040, HL-5050, HL-5070N, HL-5140, HL-5150D, HL-5170DN, HL-5240, HL-5340D, HL-6050DN, HL-7050N, HL-B2000D, HL-L2320D, HL-L2321D, MFC-1811, MFC-1901, MFC-210C, MFC-215C, MFC-240C, MFC-250C, MFC-260C, MFC-265C, MFC-290C, MFC-3100C, MFC-3220C, MFC-3420C, MFC-410CN, MFC-425CN, MFC-440CN, MFC-465CN, MFC-4800, MFC-5440CN, MFC-5460CN, MFC-5840CN, MFC-5860CN, MFC-620CN, MFC-640CW, MFC-665CW, MFC-685CW, MFC-7220, MFC-7340, MFC-7360, MFC-7420, MFC-7470D, MFC-7820N, MFC-8220, MFC-8440, MFC-8840DN, MFC-9180, MFC-J220, MFC-L2701D