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[Some snipping] |
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On Thursday, 29 October 2020 19:25:47 GMT Michael wrote: |
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> On Thursday, 29 October 2020 14:16:17 GMT Peter Humphrey wrote: |
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> > Before my trials with booting, and eventually rebuilding everything from |
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> > the ground up, my Lexmark C2425 printer was working fine. Now the KDE |
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> > system settings printer applet can't detect it, even though pinging it |
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> > works. |
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> Is the IP address of the printer the same? |
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Yes. |
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> When you 'nmap -A -T4 -Pn -v <PRINTER_IP>' do you see open ports? It should |
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> offer 80, 443, 515, 9100, 631 depending on the protocols it uses. |
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It offers 21, 80, 443, 515, 631, 4000, 5001, 9100 and 9500. |
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> > Then when I point firefox to localhost:631 cups's behaviour has changed. |
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> > If |
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> > I click Adding Printers and Classes, instead of a dialogue to let me add a |
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> > printer I now get a help page telling me how to do it at the command line. |
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> |
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> Hmm ... something must be amiss in your setup. When I go to the |
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> Administration tab and click to add another printer the familiar cupsd GUI |
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> offers various protocols to choose from. Have you set USE="X"? |
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That's my fault. I didn't read the display properly. Now, seeing straight(er) |
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Find New Printers doesn't find any, and Add Printer just gives me the usual |
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manual methods of declaring the printer. |
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Emerge -pv gives me this: |
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net-print/cups-2.3.3-r1::gentoo USE="X acl dbus pam ssl threads usb -debug - |
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kerberos -lprng-compat (-selinux) -static-libs -systemd -xinetd -zeroconf" |
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ABI_X86="(64) -32 (-x32)" |
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> > Even if I do manage to add the printer, cups reports that it isn't |
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> > responding. I take this to mean I'm not using the right protocol. I've |
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> > tried IPP, IPPS, HTTP and HTTPS, following that help page. |
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> |
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> You haven't locked down the printer itself to limit which IP addresses it |
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> will allow connections from? |
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Not knowingly. I haven't seen anything on the printer to suggest I can do |
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that. |
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> Have a look here in case there is some step you've missed out: |
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> |
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> https://wiki.gentoo.org/wiki/Printing |
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Yes, I've done that. |
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> Cups usually captures informative logs and you can set increased verbosity |
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> for more detail. What do these logs report? |
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Ah! I think it's a pam problem: permission denied. I am in the lp group |
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though. Do I also need to be in the lpadmin group? I never have been before. |
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-- |
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Regards, |
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Peter. |
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