Brother Fax Machine/Multi-Function Center MFC-J280W - Manual (Page 142)

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Interfaces
D
1 Your machine has a USB 2.0 Hi-Speed interface. The machine can also be connected to a computer that has a USB
1.1 interface.
2 Third party USB ports are not supported.
USB
1 2 Use a USB 2.0 interface cable that is no longer than 6 feet (2 m).
Wireless LAN IEEE 802.11b/g/n (Infrastructure/Ad-hoc Mode)