sudo dpkg -i wkhtmltox_0.12.6-1.bionic_amd64.deb
dpkg: warning: downgrading wkhtmltox from 1:0.12.6.1-2.bullseye to 1:0.12.6-1.bionic
(Reading database … 51789 files and directories currently installed.)
Preparing to unpack wkhtmltox_0.12.6-1.bionic_amd64.deb …
Unpacking wkhtmltox (1:0.12.6-1.bionic) over (1:0.12.6.1-2.bullseye) …
dpkg: dependency problems prevent configuration of wkhtmltox:
wkhtmltox depends on libssl1.1; however:
Package libssl1.1 is not installed.
wkhtmltox depends on xfonts-75dpi; however:
Package xfonts-75dpi is not installed.
dpkg: error processing package wkhtmltox (–install):
dependency problems - leaving unconfigured
Processing triggers for man-db (2.12.0-4build2) …
Errors were encountered while processing:
wkhtmltox