Solution to "Filter failed" error HP mac OS X for El Capitan

I followed these links I found on the web to regenerate a new, self-signed, printer certificate. Worked right away. Am running El Capitan on a 10-years(+) Mac laptop.

This has you remove the printer datafile that may be a problem

https://www.bleepingcomputer.com/news/security/mac-users-unable-to-print-after-apple-revoked-hp-certificate/

This show step-by-step how to make new certificate

https://support.hp.com/gb-en/document/c06447928

They are addressing a different error message, but this works for "Filter failed" one too.