Man pages matching name sane-canon_dr in section 5:

sane-canon_dr.5.en	debian 10 / libsane-common
sane-canon_dr.5.en	debian 11 / libsane-common
sane-canon_dr.5.en	debian 12 / libsane-common
sane-canon_dr.5.de	debian 12 / manpages-de