Download the “Driver Installation tool” from: https://support.brother.com/g/b/downloadend.aspx?c=nl&lang=nl&prod=mfc9330cdw_us_eu_as&os=128&dlid=dlf006893_000&flang=4&type3=625

The current Brother driver is a 32-bit version and will give error during installation (Package ia32-libs is not available). This package is depreciated and needs to be replaced by alternative.

apt-get install lib32z1
apt-get install cups