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I'm using an HP laser jet 1536 printer/scanner. On my 20 year old Dell Inspiron 1545 with Ubuntu 22.04.4 the scanner is recognized by "Document Scanner" and scans perfectly. I have since upgraded to a Dell Latitude 7490 with Ubuntu 24.04.1 pre-loaded. Now "Document Scanner" recognizes the HP Laser Jet 1536 but pressing the Scan button results in the message "Failed to Scan - unable to connect to scanner". In past this error has occurred in older versions of Ubuntu and the fix is "sudo apt install sane-airscan ipp-usb". These are already included in Version 24.04.1. This is not a duplicate of the question "Scanner doesn't work on Ubuntu 24.04.1 LTS". The model printer is different and there is no eSCL option in the drop down list. Nor is this an Apt vs Snap issue. I deleted and reinstalled Document Scanner (Simple Scan) using APT. It makes no difference.

HPLIP support level for the "HP Laser Jet M1536 DNF" "FULL End of support. I don't really know if this presents a conflict with Ubuntu 24.04.1.

At this point I have tried all the suggested fixes. None have worked.

Document Scanner works on either computer using Ubuntu 22.04.4. It fails only when I use Ubuntu 24.04.1.

Added dual boot Ubuntu 22.04.5 to primary hard drive. Got same error as with 24.04.1. Any more ideas I can try?

JPB
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2 Answers2

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I got the scanner to magically work on all of our 12 ubuntu 24.04 computers at our local library by installing naps2. It works great and has a really nice interface. Simple scan could never find the scanner. Now if I could only get something to work with the printers. HPLIP fails on 24.04 no matter what version I try. It installs from synaptic but doesn't work.

naps2 scanner deb link

Carol McAnulty
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I have similar problem after upgrading Ubuntu and solved by installing latest version of HPLip pluguin from official download page:

https://developers.hp.com/hp-linux-imaging-and-printing/plugins

Hope this helps some future visitors of this thread.

xserna
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