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-145C, DCP-1510, DCP-1601, DCP-165C, DCP-185C, DCP-385C, DCP-7010, DCP-7030, DCP-7040, DCP-7055, DCP-J100, DCP-J125, DCP-T300, DCP-T310, DS-600, DS-620, DS-700D, DS-720D, FAX-1360, FAX-2820, FAX-2840, FAX-878, HL-1110, HL-1201, HL-2030, HL-2040, HL-2140, HL-2150N, HL-2170W, HL-2240D, HL-4040CDN, HL-4040CN, HL-5340D, HL-7050, MFC-1810, MFC-1815, MFC-1901, MFC-1905, MFC-250C, MFC-290C, MFC-3360C, MFC-7220, MFC-7320, MFC-7340, MFC-7360, MFC-7470D, MFC-L2700D