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-1510, DCP-165C, DCP-195C, DCP-330C, DCP-350C, DCP-540CN, DCP-560CN, DCP-7010, DCP-7030, DCP-7040, DCP-7055, DCP-7060D, DCP-J100, DCP-J125, DCP-T300, DCP-T310, DS-600, DS-620, DS-700D, DS-720D, FAX-1360, FAX-1820C, FAX-1840C, FAX-2820, FAX-2840, FAX-2850, FAX-717, FAX-727, FAX-737MC, FAX-817/FAX-817S, FAX-827/FAX-827S, FAX-837MC/FAX-837MCS, FAX-878, HL-1110, HL-1230, HL-1240, HL-1270N, HL-1430, HL-1440, HL-1450, HL-1470N, HL-1650, HL-1670N, HL-1850, HL-1870N, HL-2030, HL-2040, HL-2070N, HL-2130, HL-2140, HL-2170W, HL-2240D, HL-2600CN, HL-2700CN, HL-3040CN, HL-3260N, HL-3450CN, HL-4040CN, HL-4200CN, HL-5040, HL-5050, HL-5070N, HL-5140, HL-5170DN, HL-5240, HL-5340D, HL-6050D, HL-6050DN, HL-7050, HL-L2320D, MFC-1810, MFC-1815, MFC-210C, MFC-215C, MFC-235C, MFC-240C, MFC-250C, MFC-260C, MFC-290C, MFC-3220C, MFC-3240C, MFC-3360C, MFC-3420C, MFC-410CN, MFC-425CN, MFC-440CN, MFC-4800, MFC-5460CN, MFC-5840CN, MFC-5860CN, MFC-620CN, MFC-640CW, MFC-665CW, MFC-7220, MFC-7340, MFC-7360, MFC-7420, MFC-7450, MFC-7820N, MFC-8220, MFC-8440, MFC-8820D, MFC-8840D, MFC-885CW, MFC-9180, MFC-9420CN, MFC-9880, MFC-L2700D