https://wiki.alpinelinux.org/w/api.php?action=feedcontributions&feedformat=atom&user=Richard+Huang 2026-05-03T17:02:06Z User contributions MediaWiki 1.40.0 https://wiki.alpinelinux.org/w/index.php?title=Talk:Printer_Setup&diff=27721 2024-11-05T09:57:02Z

<p>Richard Huang: &#039;mdev usbdev&#039; and &#039;lpinfo -v&#039; errors</p> <hr /> <div>~ # cat /etc/mdev.conf<br /> <br /> SUBSYSTEM=usb;PRODUCT=03f0/612a/0100; root:lpadmin 660 =/lib/mdev/usbdev<br /> <br /> SUBSYSTEM=usb;PRODUCT=04b8/118a; root:lp 755 =/lib/mdev/usbdev<br /> <br /> ~ # mdev -s<br /> <br /> ~ # ls -al /dev/bus/usb/001/010<br /> <br /> crw-rw---- 1 root 1018 189, 9 Nov 5 09:04 /dev/bus/usb/001/010<br /> <br /> ~ # chown root:lp /dev/bus/usb/001/010<br /> <br /> ~ # ls -al /dev/bus/usb/001/010<br /> <br /> crw-rw---- 1 root 1018 189, 9 Nov 5 09:04 /dev/bus/usb/001/010<br /> <br /> '''Why does the root:lp setting not work?'''<br /> <br /> ~ # lpinfo -v<br /> <br /> network http<br /> network https<br /> network ipp<br /> network ipps<br /> network lpd<br /> network socket<br /> file cups-brf:/<br /> network beh<br /> direct hp<br /> <br /> ~ # cat /var/log/cups/error_log<br /> <br /> E [05/Nov/2024:09:49:48 +0000] [CGI] ippfind (PID 15560) stopped with status 2!<br /> <br /> E [05/Nov/2024:09:49:48 +0000] [cups-deviced] PID 15542 (driverless) stopped with status 2!<br /> <br /> '''My USB printer is connected successfully and has a device node, but lpinfo -v still cannot find the USB printer device. Why?'''</div>

Richard Huang