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? After I figured it out, I wrote a detailed blog post about the subject. http://blog.microlinux.fr/hplip-centos/ Cheers, Niki PS: on a side note, I wanted to discuss this subject on the CentOS Facebook group, but got blocked by their admin who seems to be the local pet autocrat. Links to CentOS-specific blog posts are disallowed as well as technical questions, so I wonder what this group is good for. Probably discussing the weather while running CentOS... -- 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