MarsSeed [1] filed an orphan request for brother-mfc-9970cdw [2]: Unmaintained since 2016. Needs depends=lib32-glibc, as per @lopasilver's comment made on 2021-08-07.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/brother-mfc-9970cdw/
