[SOLVED] how to add a printer

[CharlieDaves]

So after some Internet Searching I found how to restart cups

print service is unavailable bad file descriptor

was the error before the cups restart

now I click on add printer and yes the system finds my printer. I select that printer and I am then prompted for

CONNECTION

BOX
examples:

Examples: http://hostname:631/ipp/ http://hostname:631/ipp/port1 ipp://hostname/ipp/ ipp://hostname/ipp/port1 lpd://hostname/queue socket://hostname socket://hostname:9100 See "Network Printers" for the correct URI to use with your printer.

Q- What is this ?
Q- What do I type in ? It is a Printer connected via USB
Q- What do I do ? (Why is it previous versions auto found printer, install or asked for the install file and it all worked)
Thanks

[CharlieDaves]

LSUSB results

lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 04b8:112d Seiko Epson Corp. WF-7720 Series
Bus 001 Device 004: ID 413c:1010 Dell Computer Corp. USB 2.0 Hub [MTT]
Bus 001 Device 005: ID 1b1c:1b2f Corsair Sabre RGB [CH-9303011-XX]
Bus 001 Device 006: ID 413c:2110 Dell Computer Corp. Dell Wired Multimedia Keyboard
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 003: ID 174c:55aa ASMedia Technology Inc. ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6
Gb/s bridge, ASM1153 SATA 3Gb/s bridge, ASM1153E SATA 6Gb/s bridge
Bus 002 Device 004: ID 174c:55aa ASMedia Technology Inc. ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6
Gb/s bridge, ASM1153 SATA 3Gb/s bridge, ASM1153E SATA 6Gb/s bridge

​

My Epson printer is there. It's found as mentioned.
Q- What next please ?

Thanks

EDIT:
Found This searching
[HTML]https://launchpad.net/ubuntu/+source/epson-inkjet-printer-escpr/1.7.17-4build2[/HTML]

AND Epson's web page
[HTML]https://epson.com/Support/Printers/All-In-Ones/WorkForce-Series/Epson-WorkForce-WF-7720/s/SPT_C11CG37201#drivers[/HTML]
"" ATTENTION: Your operating system may not be detected below. It's important that you manually select your OS in the Operating System drop-down menu below to ensure you're viewing only compatible files.""
Yeah good one Epson !!! The only option I had was 15 versions of Windows, multiple MacOS, and one (1) lonely "linux", not even with a capital letter at the start

ALSO

I search Synaptic for Epson ESC drivers, and the only option is to "Remove" or "Completely Remove"... No Re-Install....
Q- Could this be an issue I raised elsewhere about only having "Focal" as update sources... NO Numbat (PS Please respond here && [HTML]https://www.kubuntuforums.net/forum/currently-supported-releases/kubuntu-24-04-nitpick-noble-lts/desktop-environment-support-ac/685501-problems-after-problems-i-ll-list-here#post685526[/HTML]

[jlittle]

I have no experience with your set up, but can make a general observation: these days printers are normally connected to your local network, either wirelessly, or by ethernet cable, or even by USB cable to the router. Then, plasma finds the printer on the network at start up and configures it automatically, no downloads required. So, if you can, you can save a lot of trouble by not connecting the printer to the computer but to the network.

<old boring story>I bought a Brother MFC in about 2017 and had to muck about with various Brother web sites to get a driver, and follow arcane instructions to install it. Then, in about 2018 a motherboard problem caused my main install to get hosed and I ended up installing Kubuntu from scratch and restoring data from backup. In all the drama I forgot all about the printer. A month or so later, when picking up a print out, I suddenly remembered I'd done nothing to reinstall the printer... it had been automatically set up, and I was blissfully printing away.</old story>

[CharlieDaves]

I have no experience with your set up, but can make a general observation: these days printers are normally connected to your local network, either wirelessly, or by ethernet cable, or even by USB cable to the router. Then, plasma finds the printer on the network at start up and configures it automatically, no downloads required. So, if you can, you can save a lot of trouble by not connecting the printer to the computer but to the network.

Sounds like a plan, but wont work for me. My house is in the "country" and the Network is elsewhere. Unless you have a 40metre USB cable ?

Oh! BTW. The we must follow what KDE expects us to do is a M$ thing As Far as I Am Concerned.... It's stupid and very much UN-Linux. I could rant on, but I'll save it for the soap box

Thanks jlittle for the reply

[CharlieDaves]

Something WEIRD !!!!!

I went to print a website from Firefox, and my Epson printer is there !!!!
BUT
Still NOT in the "system Settings --> Printers"
AND
The ""Epson Scan 2"" software is still there and appears to be working. I just need to confirm this by finding something to scan

What the Heck is going on ? Please ?

[jlittle]

I went to print a website from Firefox, and my Epson printer is there !!!!
BUT
Still NOT in the "system Settings --> Printers"

Weird indeed. I expect the printer is there and usable, but system settings trips on something.

The ""Epson Scan 2"" software is still there and appears to be working. I just need to confirm this by finding something to scan

For me scanner software (skanlite, skanpage, xsane, ...) search for scanners every time they start. A little annoying, because it takes a while, but one doesn't have to set anything up ahead of time.

What the Heck is going on ? Please ?

I gave up trying to understand. It's arcane CUPS carry on, I suspect.

[CharlieDaves]

Weird indeed. I expect the printer is there and usable, but system settings trips on something.

For me scanner software (skanlite, skanpage, xsane, ...) search for scanners every time they start. A little annoying, because it takes a while, but one doesn't have to set anything up ahead of time.

I gave up trying to understand. It's arcane CUPS carry on, I suspect.

CUPS. That sounds farmilar. I assume your giving up on me because I rant to much?

Thanks & Sorry jlittle

[jlittle]

I assume your giving up on me because I rant to much?

No, not at all. I'm prone to rants...

No, I gave up on understanding CUPS; it can be a dark art...

<rant>IME Windows can be worse. At my last work I got Windows in a VM (qemu/kvm) to print to our company printer, and I was the only one in our team, all bare metal or hyper-v windows, who could print.
</rant>

[CharlieDaves]

No, not at all. I'm prone to rants...

No, I gave up on understanding CUPS; it can be a dark art...

As long as I didn't offend, all is great. Still puzzled as to why 24.04 wont 'detect' the printer in printer settings, yet Office and FF did. Just stupid and weird

[CharlieDaves]

Found this, and a download of hplip .. This wasn't on the Epson driver webpage. All I got was am .iso with 20 folders with a lot of unknown stuff inside the folders. I didn't even know what to do.
[HTML]https://answers.launchpad.net/hplip/+question/818629[/HTML]
&&
[HTML]https://askubuntu.com/questions/1527607/ubuntu-24-04-01-lts-add-hp-printer-cups-server-error[/HTML]

First link has (way down the page) a link to download the driver as a .run

Hope this helps
*Hope this works for me*