how i got my printer to work (Brother-MFC-L3770CDW)

gistfile1.txt

//To use the printer

sudo pacman -S cups print-manager lib32-gcc-libs nss-mdns
yay -S brother-mfc-l3770cdw

sudo systemctl enable --now cups avahi-daemon.service

//Edit the file /etc/nsswitch.conf and change the hosts line to include mdns_minimal [NOTFOUND=return] before resolve and dns:
//hosts: mymachines mdns_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] files myhostname dns


//To use the scanner

sudo pacman -S xsane sane 
yay -S brscan5 brscan-skey

sudo systemctl enable --now brscan-skey sane