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  • Ethernet printing from Mac

    From Graham J@nobody@nowhere.co.uk to uk.comp.sys.mac on Fri Sep 12 17:52:51 2025
    From Newsgroup: uk.comp.sys.mac

    Mac OS 15.5 connected to router using WiFi
    Konica Minolta printer connected to router via Ethernet cable; IP
    address bound in router so guaranteed to be consistent.

    Mac prints one document, then shows printer is offline.

    Mac can continuously ping the printer, and open its management page
    using a browser, so connectivity is not an issue.

    Mac and printer both rebooted. No better, printer still shown as offline.

    Googled - suggests removing and re-installing driver. Can now print
    several documents, and no complaints from user in following half hour.

    But why did this happen?

    How can I ensure that this failure won't happen again?
    --
    Graham J
    --- Synchronet 3.21a-Linux NewsLink 1.2
  • From Theo@theom+news@chiark.greenend.org.uk to uk.comp.sys.mac on Fri Sep 12 18:29:14 2025
    From Newsgroup: uk.comp.sys.mac

    Graham J <nobody@nowhere.co.uk> wrote:
    Mac OS 15.5 connected to router using WiFi
    Konica Minolta printer connected to router via Ethernet cable; IP
    address bound in router so guaranteed to be consistent.

    Mac prints one document, then shows printer is offline.

    Mac can continuously ping the printer, and open its management page
    using a browser, so connectivity is not an issue.

    Mac and printer both rebooted. No better, printer still shown as offline.

    Googled - suggests removing and re-installing driver. Can now print
    several documents, and no complaints from user in following half hour.

    But why did this happen?

    How can I ensure that this failure won't happen again?

    Often such problems are the vagaries of mDNS, which is how AirPrint has autodetected the printer. Once the printer has been added, I tend to go
    into the printer settings on the machine (via CUPS if necessary) and alter
    it to the fixed IP address rather than long-printer-name.local which is the mDNS name and causes it to disappear if mDNS discovery isn't working
    correctly.

    Theo
    --- Synchronet 3.21a-Linux NewsLink 1.2