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lars_the_bear
n00b
Joined: 05 Jun 2024
Posts: 65
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 Posted: Sun Jun 09, 2024 9:06 am Post subject: Printing -- tearing my hair out |
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Hi
Can anybody help, before I completely lose the will to live? Well, the will to live with Gentoo, anyway -- being unable to print is a showstopper for me.
I have a Brother network laser printer. It Just Works with Fedora and Ubuntu. It even Just Works from my phone. It supports AirPrint, IPP Anywhere, LPD, and a stack of other things.
At present, it's working from other Linux systems in driverless mode. It has a fixed IP number, because I got fed up with the auto-detection stuff working only when it felt like it.
So, from the Gentoo documentation, I figured all I would need to do is
lpadmin -p xxx -E -v ipp631://my_ip/ipp/print -m everywhere
I know this is the correct URI, because it works on other Linux systems. I've installed the cups and cups-meta packages as per the documentation. And, of course, the CUPS daemon is running.
I get a print queue that shows up in the CUPS console, but trying to print does not even create a job. In the CUPS error log I have:
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E [09/Jun/2024:09:31:58 +0100] [Client 501] Returning IPP client-error-document-format-not-supported for Print-Job (ipp://localhost:631/printers/panda) from localhost.
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I don't know what that error message means, but I don't think it's come from the printer. I'm monitoring the network chatter between CUPS and the printer, and attempting to print does not result in any network traffic. I see chatter when defining the printer, however, so I'm sure that communication is OK.
FWIW I've tried it with drivers as well -- both official ones from Brother and 3rd-party ones from an emerge overlay. I've tried LPD mode as well as IPP. I've tried using the CUPS web interface rather than lpadmin. The results are always the same.
Trying to print a test page from the CUPS web interface gives me:
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Unsupported format "text/plain".
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It looks to me as if a chunk of format conversion software is missing. cups-filters is installed, as is ghostscript, although I don't know whether these are actually necessary.
I'm at my wit's end, what little wit I have. There are some things I can't make work yet in Gentoo, but it's essential that I'm able to print.
Any suggestions welcome.
BR, Lars.
PS. I don't have ìppfind`. I'm assuming I don't need it if I'm using static configuration. I hope that's true, but I accept that it might not be. |
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lars_the_bear
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Joined: 05 Jun 2024
Posts: 65
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| Posted: Sun Jun 09, 2024 9:15 am Post subject: |
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In desperation, I rebooted my Gentoo machine.
Now it's printing fine.
WHY?? This is like using Windows 
So far as I know, nothing is running after the reboot that wasn't running before it.
If anybody has an explanation for this, and would like to save my sanity, please feel free to share it.
BR, Lars. |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54456
Location: 56N 3W
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| Posted: Sun Jun 09, 2024 9:21 am Post subject: |
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lars_the_bear,
You should be using cups with driverless printing.
As you say, a reboot should not have been required.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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lars_the_bear
n00b
Joined: 05 Jun 2024
Posts: 65
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| Posted: Sun Jun 09, 2024 10:23 am Post subject: |
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| NeddySeagoon wrote: | lars_the_bear,
You should be using cups with driverless printing.
As you say, a reboot should not have been required. |
Thanks. But I was, and it was. I expect this sort of thing with Windows. On Linux, it suggests that I haven't really understood. That's what worries me. If I don't understand the cause of the issue, it might come back :/
BR, Lars. |
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figueroa
Advocate
Joined: 14 Aug 2005
Posts: 2978
Location: Edge of marsh USA
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| Posted: Sat Jun 15, 2024 4:21 am Post subject: |
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Restarting cupsd should have cured you:
| Code: | | /etc/init.d/cupsd restart |
_________________
Andy Figueroa
hp pavilion hpe h8-1260t/2AB5; spinning rust x3
i7-2600 @ 3.40GHz; 16 gb; Radeon HD 7570
amd64/23.0/split-usr/desktop (stable), OpenRC, -systemd -pulseaudio -uefi |
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lars_the_bear
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Joined: 05 Jun 2024
Posts: 65
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| Posted: Sat Jun 15, 2024 7:30 am Post subject: |
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| figueroa wrote: | Restarting cupsd should have cured you:
| Code: | | /etc/init.d/cupsd restart |
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Fair enough. But I'm surprised such a measure would be necessary. To be fair, I'm not sure it was: it might just have been a coincidence.
BR, Lars. |
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