Library Printers

[cmcanulty]

Since upgrading to Xubuntu 24.04 I can't install any of our HP network printers. All was fine before the upgrade. I tried the HPLIP from their website and that failed. Then I installed HPLIP from synaptic. It installed but sees no printers. Then I tried hplip from snap still no luck seeing the printers. I have had Xubuntu on all 11 of our public computers but if I can't get this fixed soon the librarian will force them back to windows after 17 years of Xubuntu success.


I always try system config printers first. Th snap app said to enter http://localhost:8000/ in a browser to run the snap hplip but that gives an error unable to connect. I am sure the network is OK as I run the router and all the network equipment. I also tried localhost:631 which takes me to the cups add printer page and no luck there either here is that error. It is an HP color laser HP_OfficeJet_Pro_8740

Add Printer
Add Printer HPColor Error

Unable to get list of printer drivers:

Success

Add Printer HPColor Error

Unable to get list of printer drivers:

Success
Please help

[yancek]

So you first get the message "Success" followed by the error "Unable to get list of printer drivers:".

I tried the HPLIP from their website and that failed.

What failed, downloading drivers? If the different methods you have tried were not successful, did you get any error messages?

[him610]

Can you fall back to 22.04.n on all computers except for one to use as 24.04 test platform?

After you have worked out issues on 24.04 test platform, proceed with upgrading computers one-by-one bringing each online when you are assured the issue has been resolved.

[cmcanulty]

the main issue I think is HP uses hplip for all it's printer drivers for linux and hplip doesn't seem to work on 24.04. The latest hplip on their web site doesn't support 24.04. I have installed the hplip from the repositories for 24.04 and that version installs but when I go to add a printer hplip doesn't show as an option. hplip always worked flawlessly until recently and that's why we only use HP printers. I don't know of any other way to get printer drivers for hp in ubuntu.

[oldfred]

Printers have been driverless to work with Windows & Apple for quite a while.

Linux now supports driverless printing. And uses it for USB also, now.
https://wiki.debian.org/CUPSDriverlessPrinting
https://wiki.debian.org/CUPSDriverle...ing#ippoverusb

Check you have these:
install ipp-usb and sane-airscan
avahi-browse -rt _ipp._tcp
avahi-browse -rt _uscan._tcp
ippfind
scanimage -L
airscan-discover

https://forums.linuxmint.com/viewtopic.php?t=344245

I have a Brother printer that is both USB & Internet. But I am now at Daughter's for Thanksgiving.
It shows this, and I did not do anything. It normally shows my Brother printer. So ppd file auto created.

fred@m2-noble:~$  ll /etc/cups/ppd/ 
total 28 
drwxr-xr-x 2 root lp  4096 Nov 28 09:35 ./ 
drwxr-xr-x 5 root lp  4096 Nov 28 10:25 ../ 
-rw-r----- 1 root lp 17328 Nov 28 09:35 HP_Color_LaserJet_MFP_M180nw_CB6CFE.ppd

[him610]

From LTS 24.04.1

$ apt show hplip
Package: hplip
Version: 3.23.12+dfsg0-0ubuntu5
Priority: optional
Section: utils
Origin: Ubuntu
....

From LTS 22.04.5

$ apt show hplip
Package: hplip
Version: 3.21.12+dfsg0-1
Priority: optional
Section: utils
Origin: Ubuntu
....

Can you go back to earlier version 3.21.12+dfsg0-1?
Suggest follow up by submitting bug report.

Note: @oldfred #5 may have better suggestion

[cmcanulty]

OK to be clear the printers aren't attached to a computer but by ethernet to an ethernet ports networked to the library system does this still work with ipp-usb? All the computers are on the library network. or is there another way to do it? One printer we could attach to a computer by usb. The other one HP8740 is a multi-function and is in our public area and would not be attached to a computer easily Thank you

[yancek]

The problems you reported in your initial post seem more like network problems. Have you verified physically that the printer in question is plugged in and powered on. Some suggestions at the link below

https://askubuntu.com/questions/1519...n-ubuntu-24-04

Since your printer is on a network, have you tried to ping it? Is it detected with nmap? More

[cmcanulty]

yes I can ping it successfully but not install it, very weird

[oldfred]

Did you run any of the commands in post #5?
They show various bits of info on my Son-in-Laws HP network printer.