MacBook Pro and my older MacBook Air have stopped working with my HP 7000 printer

fat dad wrote:

My Mac Book pro and my older Mac Air have stopped working with my HP 7000 printer.

I get a Wrong size paper error. The printer works with a PC's . I have checked all setting from several different programmes for the selected paper size .

Re installed the HP app to no avail.

The older Air and newer Mac run on different OS,s sequoia 15.6 and high sierra 10.13.6

[Re-Titled by Moderator]

Original Title: Mac - HP7000 problem with printing . Wrong size paper

What is your "HP 7000 printer" exactly...(?)

if in doubt search the developers website or contact their: Support/Help/FAQ/Known issues/compatibility/updates…

See if there is anything here

ref: HP Smart Tank 7000 series