Hi Brian,
ok, I disconnected and reconnected. Then I used the code. This is what I got:
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
Couldn't open device, some information will be missing
bInterfaceClass 7 Printer
bInterfaceSubClass 1 Printer
bInterfaceProtocol 4
iInterface 0
--
bInterfaceClass 7 Printer
bInterfaceSubClass 1 Printer
bInterfaceProtocol 2 Bidirectional
iInterface 0
--
bInterfaceClass 7 Printer
bInterfaceSubClass 1 Printer
bInterfaceProtocol 4
iInterface 0
can't get debug descriptor: Resource temporarily unavailable
Couldn't open device, some information will be missing
--
bInterfaceClass 7 Printer
bInterfaceSubClass 1 Printer
bInterfaceProtocol 4
iInterface 0
● ipp-usb.service - Daemon for IPP over USB printer support
Loaded: loaded (/lib/systemd/system/ipp-usb.service; static)
Active: active (running) since Wed 2021-10-27 17:48:14 CEST; 18s ago
Docs: man:ipp-usb(8)
Main PID: 6135 (ipp-usb)
Tasks: 11 (limit: 9830)
Memory: 7.4M
CPU: 39ms
CGroup: /system.slice/ipp-usb.service
└─6135 /sbin/ipp-usb udev