Inspired by this thread: Very long time without ... "Printing system" ! "The system printing service doesn't seem to be avialable" I have decided to look at the logs for my cups service and found the following:
cups.service - CUPS Scheduler
Loaded: loaded (/usr/lib/systemd/system/cups.service; disabled; preset: disabled)
Drop-In: /usr/lib/systemd/system/service.d
└─10-timeout-abort.conf, 50-keep-warm.conf
Active: active (running) since Sat 2024-11-30 13:19:49 CET; 4h 44min ago
Invocation: 25ad8e420d224aec8aaabb121a3a2882
TriggeredBy: ● cups.path
● cups.socket
Docs: man:cupsd(8)
Main PID: 1271 (cupsd)
Status: "Scheduler is running..."
Tasks: 1 (limit: 38205)
Memory: 4.8M (peak: 5.7M)
CPU: 59ms
CGroup: /system.slice/system-cups.slice/cups.service
└─1271 /usr/sbin/cupsd -l
Nov 30 17:15:38 computerbaars cupsd[1271]: REQUEST localhost - - "POST / HTTP/1.1" 200 311 CUPS-Create-Local-Printer server-error-device-error
Nov 30 17:15:41 computerbaars cupsd[1271]: HP_LaserJet_Professional_P1606dn_B9B04B: Unable to connect to NPIB9B04B.local:631: Temporary failure in name resolution
Nov 30 17:15:41 computerbaars cupsd[1271]: [Client 19] Returning IPP server-error-device-error for CUPS-Create-Local-Printer (ipp://localhost/printers/HP_LaserJet_Professional_P1606dn_B9B04B) from localhost.
Nov 30 17:15:41 computerbaars cupsd[1271]: REQUEST localhost - - "POST / HTTP/1.1" 200 301 CUPS-Create-Local-Printer server-error-device-error
Nov 30 17:16:08 computerbaars cupsd[1271]: HP_LaserJet_Professional_P1606dn_B9B04B: Unable to connect to NPIB9B04B.local:631: Temporary failure in name resolution
Nov 30 17:16:08 computerbaars cupsd[1271]: [Client 202] Returning IPP server-error-device-error for CUPS-Create-Local-Printer (ipp://localhost/) from localhost.
Nov 30 17:16:08 computerbaars cupsd[1271]: REQUEST localhost - - "POST / HTTP/1.1" 200 311 CUPS-Create-Local-Printer server-error-device-error
Nov 30 17:16:08 computerbaars cupsd[1271]: HP_LaserJet_Professional_P1606dn_B9B04B: Unable to connect to NPIB9B04B.local:631: Temporary failure in name resolution
Nov 30 17:16:08 computerbaars cupsd[1271]: [Client 203] Returning IPP server-error-device-error for CUPS-Create-Local-Printer (ipp://localhost/) from localhost.
Nov 30 17:16:08 computerbaars cupsd[1271]: REQUEST localhost - - "POST / HTTP/1.1" 200 311 CUPS-Create-Local-Printer server-error-device-error
I am investigating this further at the moment.