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CUPS isn't detecting my Brother QL-700.
The device is being found by the OS:
james@james-laptop> lsusb ~
...
Bus 003 Device 004: ID 04f9:2049 Brother Industries, Ltd
...
But CUPS doesn't find it:
james@james-laptop> /usr/lib/cups/backend/usb ~
DEBUG: Loading USB quirks from "/usr/share/cups/usb".
DEBUG: Loaded 71 quirks.
DEBUG: list_devices
DEBUG: libusb_get_device_list=10
james@james-laptop> lpinfo -v ~
network socket
network http
network https
network ipp
network ipps
network smb
network lpd
I've tried blacklisting usblp and without it blacklisted as listed on the wiki but neither have worked.
Last edited by Lerp (2014-12-20 19:07:53)
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I forgot to mention I have the QL-700 cupswrapper AUR package installed. This adds the device to CUPS with a URI of /dev/usb/lp0 but I apear to be missing that link? SO I think the problem might be that usblp is not working?
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The device /dev/usb/lp0 is for cups without libusb, it can't work with the cups provided by arch that depends of libusb. I have no idea how the AUR package have added the device, but what happens if you try to manually add the printer with the cups webinterface? (possibly using your ppd)?
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The printer doesn't show up in CUPS under 'Add Printer' or 'Find New Printers'. I just get options to add a network printer.
Last edited by Lerp (2014-12-20 16:47:01)
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Try to chmod /usr/lib/cups/backend/usb u=rwx,og= to force the usb backend to be executed as root and restart cups (or reboot). Be sure the printer is turned on. What's the output of lpinfo -v (executed as root).
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No luck. (Printer is definitely on)
$ sudo chmod u=rwx,og= /usr/lib/cups/backend/usb
$ ls -l /usr/lib/cups/backend/usb
-rwx------ 1 root root 38684 Nov 14 19:08 /usr/lib/cups/backend/usb
$ sudo systemctl restart org.cups.cupsd.service
$ sudo lpinfo -v
network ipps
network ipp
network https
network lpd
network http
network socket
network smb
Last edited by Lerp (2014-12-20 17:01:59)
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Found the problem and it's incredibly stupid.
There's a button on the printer labelled 'EditorLite' which I believe is their proprietary label printing software. If the ight above that button is on, CUPS can't detect it...
Last edited by Lerp (2014-12-20 19:08:24)
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Wow, thank you so very much for this. I spent about an hour banging my head into this until I found this. Props!
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crazycasta, welcome to the forum. Please read the Code of Conduct and do not necrobump.
Closing.
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