This extension would be quite nice, IFF the page content wouldn't near-always print over the page header and footers.

Now the extensions seems to offer 2 methods to combat above behaviour, both of which fail to work for me:

Simplify seems to honor these settings, but deletes a bit too much for many pages.

Using the Options page in the tools submenu seems to offer the option to set content margins, but is ignored. Even unsetting headers/footers does still print headers and footers, even if firefox is restarted between save and print attempt.

Example page for rendering: e.g.
prima-coffee.com/learn/article/brewing-guides/v60-brew-method-review/28774

Note that the pre-quantum print-edit was an excellent add-on for most of the (saner) web pages.