post_install() { post_upgrade; } post_upgrade() { /opt/brother/Printers/mfcj430w/cupswrapper/cupswrappermfcj430w >/dev/null if [ "$?" -eq 0 ]; then printf "Printer enabled. If it is a network printer, change ip address in CUP interface (localhost:631).\n" else printf "Could not enable the printer in the CUP service.\n" fi }