On Thu, 13 May 2021 12:02:48 -0500 (CDT) Michael Hennebry wrote:
If this machine has a menu anywhere, I cannot find it. Print test page from localost:631 gives me the same unending print.
According to the manual you need to use the "HP Toolbox" to access the test page function (and other stuff).
https://www.manualsdir.com/manuals/398954/hp-deskjet-d1420-printer.html?page...
http://manpages.ubuntu.com/manpages/trusty/man1/hp-toolbox.1.html
This appears to be part of hplip, which is available in the standard Centos repository.