Duplicate printer - How to prevent autodetection?

[stoffl]

I use Mint 19 and have a Brother DCP-J562DW connected via WiFi to my local network. I've installed the manufacturer's proprietary driver which works fine and enables to check ink status and the like. I've set this as my standard printer.

The problem is, that the same printer is obviously also autodetected by mint. It adds the same printer again (but without extended features like ink status). So now I have the same printer twice:

printer_settings.png

I already tried to delete the detected printer but to no avail: It's detected again and again.

Is there a way to get rid of the duplicate?

[cogier]

I am suffering with this issue. I have just been to a friend's house and the problem is replicated there as well. Both machines are running Mint 19.0.

I have 2 printers but not 2 of the same type! If I delete this 'phantom' printer the system recreates it in seconds.

Printers - localhost_008.png

[AndyMH]

I take no credit for this, I asked the same question a couple of years ago:

I've never gone out of my way to disable it but these "discovered" printers are due to a service called cups-browsed. The difference between Mint 17 and 18 is systemd.If you stop the cups-browsed service systemd will think you are kidding so it restarts it. What you might want to try is disabling the service instead:

Code: Select all

sudo systemctl mask cups-browsed

Then reboot. A "mask" will prevent the service from being started

This worked for me (it only has to be done once), the other suggestion was:

Should that not fix things unmask it:

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sudo systemctl unmask cups-browsed

Followed by a:

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sudo systemctl start cups-browsed

EDIT - and here is the original post viewtopic.php?f=51&t=242427&p=1296046&h ... r#p1296046 - thanks altair4!

[stoffl]

@AndyMH Thanks for that hint. But that means, that auto detection is then disabled completely, right? So if I should get a new printer it will not be detected anymore? I'm sure I'll not remember what I did to disable that service so I will probably rather live with the duplicate printers.

It's still weird, though. I'm surprised, that there's no better fix for this.

[lsemmens]

I'm not certain if this will be of any assistance but My HP CM1312 MFC only appears once. Are you using the HPLIP drivers? That could be your issue. Install them and see if that fixes it.

[cogier]

Thanks for the replies guys, we are all on islands just vastly different sizes.

I am not over worried about this so I don't think I will stop the 'service'.

The question about HPLIP was a good one as I always install the HPLIP GUI as it make installation of a network printer a breeze. Interestingly the printer only appears once in HPLIP but twice in Printers!

HPLIP.png

[brian_p]

A bit old but ........

It's still weird, though. I'm surprised, that there's no better fix for this.

Reading the cups-browsed.conf manual on filtering could be instructive.

[ClixTrix]

Is the phantom using IPP for protocol?

https://askubuntu.com/questions/345083/ ... stallation

[brian_p]

Yes.

[ClixTrix]

Yes.

Is the "other" duplicate installed DirectJet or LPD/LPR? I'm guessing yes.

Could try turning off IPP at the Printer in it's setups. I'd look at it from web console using browser to the IP address of the printer. It might be an obvious setting. It might be in activation of HP Web Services.

Could try suggestions on link I posted.

Could live with a duplicate....at least the why is known.

Edit: Opps one more. Could just use it IPP. That works too and drop the other.

[brian_p]

stoffl is managing printers with two methods at the same time:

1. With automatic discovery using cups-browsed and IPP.
2. With manual setup.

Choose one method to avoid duplicate enumeration in system-config-printer.

[SweD]

For Tessa there also the "View/Discovered Printers" check-box which is ticked by default.
I just found it myself, and unticked it, never thought to look there before, and don't know if it's always been there.

Regards,
/Dennis

[stoffl]

@SweD Interesting. I just tried unchecking but the printer is still there. Does it make a difference for you? Do you maybe have to reboot to have an effect?

[SweD]

I honestly don't know if it makes a difference or not, I presumed as much. I currently don't have any duplicates, I had manually removed them since last reboot, which is quite some time ago. Just found the entry in the menu and thought I'd share.

Regards,
/Dennis

[brian_p]

Code: Select all

man cups-browsed.conf

really is a good read.

Uncomment

• CreateIPPPrinterQueues LocalOnly

and restart the service.

[TTG35forT]

The following worked for me in Linux Mint 20, which is based on Ubuntu 20.4:

sudo nano /etc/avahi/avahi-daemon.conf

In that file:

change “use-ip4=yes” to “use-ip4=no”

change “use-ip6=yes” to “use-ip6=no”

Now, only printers that I added manually show up in the "Printers" control panel (Printers-localhost), the HPLIP Toolbox and LibreOffice.