@michaelrsweet I can reproduce it on Fedora 36 (CUPS-2.4.1), all units - path, socket and service - are down, but lpstat -e returns 0 and without any message - investigating...

[zdohnal@fedora]-[~/repo_upstream/ipp-usb (add_etc_quirks $=)]
93>>>lpstat -a
lpstat: Bad file descriptor
[zdohnal@fedora]-[~/repo_upstream/ipp-usb (add_etc_quirks $=)]
94>>>lpstat -e
[zdohnal@fedora]-[~/repo_upstream/ipp-usb (add_etc_quirks $=)]
95>>>systemctl status cups.service
○ cups.service - CUPS Scheduler
     Loaded: loaded (/usr/lib/systemd/system/cups.service; disabled; vendor preset: disabled)
     Active: inactive (dead) since Mon 2022-03-14 14:48:48 CET; 3min 19s ago
TriggeredBy: ○ cups.path
             ○ cups.socket
       Docs: man:cupsd(8)
    Process: 55652 ExecStart=/usr/sbin/cupsd -l (code=exited, status=0/SUCCESS)
   Main PID: 55652 (code=exited, status=0/SUCCESS)
     Status: "Scheduler is running..."
        CPU: 37ms

Mar 14 14:32:25 fedora cupsd[55652]: Expiring subscriptions...
Mar 14 14:48:48 fedora cupsd[55652]: Scheduler shutting down normally.
Mar 14 14:48:48 fedora cupsd[55652]: Discarding unused server-stopped event...
Mar 14 14:48:48 fedora systemd[1]: Stopping cups.service - CUPS Scheduler...
Mar 14 14:48:48 fedora cupsd[55652]: Expiring subscriptions...
Mar 14 14:48:48 fedora cupsd[55652]: Creating KeepAlive/PID file "/var/cache/cups/org.cups.cupsd".
Mar 14 14:48:48 fedora cupsd[55652]: Saving job.cache...
Mar 14 14:48:48 fedora cupsd[55652]: cupsdStopSelect()
Mar 14 14:48:48 fedora systemd[1]: cups.service: Deactivated successfully.
Mar 14 14:48:48 fedora systemd[1]: Stopped cups.service - CUPS Scheduler.
[zdohnal@fedora]-[~/repo_upstream/ipp-usb (add_etc_quirks $=)]
96>>>systemctl status cups.socket
○ cups.socket - CUPS Scheduler
     Loaded: loaded (/usr/lib/systemd/system/cups.socket; enabled; vendor preset: enabled)
     Active: inactive (dead) since Mon 2022-03-14 14:48:48 CET; 3min 23s ago
   Triggers: ● cups.service
     Listen: /run/cups/cups.sock (Stream)

Mar 14 13:59:36 fedora systemd[1]: Listening on cups.socket - CUPS Scheduler.
Mar 14 14:48:48 fedora systemd[1]: cups.socket: Deactivated successfully.
Mar 14 14:48:48 fedora systemd[1]: Closed cups.socket - CUPS Scheduler.
[zdohnal@fedora]-[~/repo_upstream/ipp-usb (add_etc_quirks $=)]
97>>>systemctl status cups.path
○ cups.path - CUPS Scheduler
     Loaded: loaded (/usr/lib/systemd/system/cups.path; enabled; vendor preset: enabled)
     Active: inactive (dead) since Mon 2022-03-14 14:48:48 CET; 3min 26s ago
   Triggers: ● cups.service

Mar 14 13:59:36 fedora systemd[1]: Started cups.path - CUPS Scheduler.
Mar 14 14:48:48 fedora systemd[1]: cups.path: Deactivated successfully.
Mar 14 14:48:48 fedora systemd[1]: Stopped cups.path - CUPS Scheduler.

lpstat -e and an error message #352

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