At Fri, 14 May 2021 22:22:24 -0500 (CDT) CentOS mailing list <centos at centos.org> wrote: > > With the Deskjet D1420 disconnected, hp-probe > finds no USB printers (duh). > With the Deskjet D1420 connected, hp-probe > finds it. > hp-testpage produces > error: Unable to communicate with printer Deskjet-D1400-series. Please check > the printer and try again. > > Note that hp-probe found it. > > hp-testpage also produces a popup saying ... > There is a problem with a print cartridge (1017) HP printers are bitchy about using non-HP branded ink carts (or tonor carts). HP is very interested in extracting their "pound of flesh" for all eternity. > > It does not say which one or why this would cause communication failure. > > How do I figure this out? You will have to "easter egg" it. Swap the carts out one-by-one with new, HP carts until the error goes away. > -- Robert Heller -- Cell: 413-658-7953 GV: 978-633-5364 Deepwoods Software -- Custom Software Services http://www.deepsoft.com/ -- Linux Administration Services heller at deepsoft.com -- Webhosting Services