HPLIP cannot detect printers

[sbob]

All; I am running Fedora 38, and I have the following installed: 
hplip-common-3.23.5-8.fc38.x86_64 hplip-libs-3.23.5-8.fc38.x86_64 
hplip-3.23.5-8.fc38.x86_64 hplip-gui-3.23.5-8.fc38.x86_64

I am trying to setup a new HP Color LaserJet Pro MFP 4301fdw

when I run hp-setup and plug in the printer's IP address in the 'Manual 
Discovery' box I get this:

HPLIP cannot detect printers in your network.

This may be due to existing firewall settings blocking the required 
ports. When you are in a trusted network environment, you may open the 
ports for network services like mdns and slp in the firewall. For 
detailed steps follow the link. 
https://developers.hp.com/hp-linux-imaging-and-printing/KnowledgeBase/Troubl...

Thanks in advance

[Patrick O'Callaghan]

On Fri, 2023-09-15 at 12:56 -0600, sbob wrote:
> All; I am running Fedora 38, and I have the following installed: 
> hplip-common-3.23.5-8.fc38.x86_64 hplip-libs-3.23.5-8.fc38.x86_64 
> hplip-3.23.5-8.fc38.x86_64 hplip-gui-3.23.5-8.fc38.x86_64
>
> I am trying to setup a new HP Color LaserJet Pro MFP 4301fdw
>
> when I run hp-setup and plug in the printer's IP address in the
> 'Manual 
> Discovery' box I get this:
>
> HPLIP cannot detect printers in your network.
>
> This may be due to existing firewall settings blocking the required 
> ports. When you are in a trusted network environment, you may open
> the 
> ports for network services like mdns and slp in the firewall. For 
> detailed steps follow the link. 
> https://developers.hp.com/hp-linux-imaging-and-printing/KnowledgeBase/Troubl...

Try:

sudo avahi-browse -a -t

poc

[Mikhail Ramendik]

Sanity check: is there a Windows machine on the network and can it detect
the printers?

I have encountered cases when such detection just Does Not Work, from
Windows too, apparently because of the router but I could not figure out
the details and just fixed the IP of the printer via DHCP settings, then
entered it in drivers.

On Fri, 15 Sept 2023 at 19:56, sbob  wrote:
> All; I am running Fedora 38, and I have the following installed: hplip-common-3.23.5-8.fc38.x86_64
> hplip-libs-3.23.5-8.fc38.x86_64 hplip-3.23.5-8.fc38.x86_64 hplip
> -gui-3.23.5-8.fc38.x86_64
>
> I am trying to setup a new HP Color LaserJet Pro MFP 4301fdw
>
> when I run hp-setup and plug in the printer's IP address in the 'Manual
> Discovery' box I get this:
>
> HPLIP cannot detect printers in your network.
>
> This may be due to existing firewall settings blocking the required ports.
> When you are in a trusted network environment, you may open the ports for
> network services like mdns and slp in the firewall. For detailed steps
> follow the link.
> https://developers.hp.com/hp-linux-imaging-and-printing/KnowledgeBase/Troubl...
>
> Thanks in advance
>
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[sbob]

We dont allow any windows machines or macs into our network, only Linux

On 9/16/23 16:36, Mikhail Ramendik wrote:
> Sanity check: is there a Windows machine on the network and can it 
> detect the printers?
>
> I have encountered cases when such detection just Does Not Work, from 
> Windows too, apparently because of the router but I could not figure 
> out the details and just fixed the IP of the printer via DHCP 
> settings, then entered it in drivers.
>
> On Fri, 15 Sept 2023 at 19:56, sbob  wrote:
> All; I am running Fedora 38, and I have the following installed:
> hplip-common-3.23.5-8.fc38.x86_64 hplip-libs-3.23.5-8.fc38.x86_64
> hplip-3.23.5-8.fc38.x86_64 hplip-gui-3.23.5-8.fc38.x86_64
>
> I am trying to setup a new HP Color LaserJet Pro MFP 4301fdw
>
> when I run hp-setup and plug in the printer's IP address in the
> 'Manual Discovery' box I get this:
>
> HPLIP cannot detect printers in your network.
>
> This may be due to existing firewall settings blocking the
> required ports. When you are in a trusted network environment, you
> may open the ports for network services like mdns and slp in the
> firewall. For detailed steps follow the link.
> https://developers.hp.com/hp-linux-imaging-and-printing/KnowledgeBase/Troubleshooting/TroubleshootNetwork
>
> Thanks in advance
>
> _______________________________________________
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>
>
>
> -- 
> Yours, Misha Ramendik
>
> Unless explicitly stated, all opinions in my mail are my own and do 
> not reflect the views of any organization
>
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