Le 21/04/2017 à 18:44, m.roth at 5-cent.us a écrit : > Firewall open on the port... no, you said it sends some signal, since it > prints out a blank page. And CUPS on your box is configured to understand > the printer, right? [Much later.] I just spent a few unnerving hours, and I found the solution. The printer was working all along, as it seems. The only thing that's buggy is the "Print Test Page" button in HP-Toolbox, which produces a blank page. All other stuff like PDF documents works fine. Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info at microlinux.fr Tél. : 04 66 63 10 32