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https://www.technipages.com/how-to-fix- ... 0x0000011b

Disable Print Spooler RPC Encryption
To fix error code 0x0000011b, Microsoft says you should disable the print spooler privacy settings on both the Client and Print Server. When the RpcAuthnLevelPrivacyEnabled Registry key is set to 1, Windows automatically encrypts RPC communication with network printers and print servers. Disable this option to get rid of error code 0x0000011b.

Launch the Registry Editor.
Navigate to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Print.
Right-click on the Print key and select New→ DWORD-32 bit Value.
Name the new key RpcAuthnLevelPrivacyEnabled.
Double-click on the new key and set its value to 0 (zero).RpcAuthnLevelPrivacyEnabled-windows
Restart your computer, and check if it connects to your printer.

To fix error code 0x0000011b when printing on Windows 11, uninstall all the recently installed updates, especially KBKB5005565 and KB5005568. Then, manually add the printer using its IP address. If the error persists, disable Print Spooler RPC encryption.