The Brother MFC-J430W can be connected per USB 2.0 (USB ID 04f9:0281) but also per WiFi. The LPR and CUPS driver files for the printer can be downloaded at:
The installation of the Brother driver files in Ubuntu is described at:
The included scanner is suported by Linux by using the Brscan4 driver. This driver can be downloaded at:
The installation and configuration of the MFC-J430W for scanning via USB or WiFi is described at http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/instruction_scn1.html.