could not start printer please check your printer configuration

This happens on and
can print test page from cups and from pdf, cannot print from Foxfire
Ubuntu 18.04

Are you saying you cannot print from Foxfire (Firefox?) running under Ubuntu 18.04 as well as LibO Writer and Or is the problem just Firefox? If LibO Have you set up the printer in FILE > PRINTER SETTINGS and TOOLS > OPTIONS > PRINT. Not certain what your problem actually is.