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Old 06-22-2020, 03:18 PM   #1
sombragris
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Registered: Jul 2004
Location: Asuncion, Paraguay, South America
Distribution: Slackware
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HPLIP: Weird printing issue (cannot print) after upgrading to latest Plasma5/elogind


Using -current with AlienBob's Plasma5/elogind.

I use an HP LaserJet 1020 for printing via HPLIP. Upon upgrading to the latest Plasma5/elogind I got a weird issue:

When I send a document to print from an application, nothing happens. Sometimes I get a notification saying "device communication error".

Upon further investigation, it turns out that in HP Device Manager, in the page relevant page for the printer, I need to click on "Download Firmware". A dialog appears, where I need to click the "Update Firmware" button. Once I click on it, the printer becomes responsive and I can start using the printer without problems.

There's no firmware downloaded. I just need to click on the "Update Firmware" button for my printer to become responsive.

I don't know how to diagnose the error. So far I tried calling hp-toolbox from the terminal to see if there's something in stdin/stderr but there's nothing.

ADDED: Forgot to mention that this particular printer used to print OK under HPLIP but it always required a binary blob^W^W^W firmware to run.

Any hints? Thanks in advance.

Last edited by sombragris; 06-22-2020 at 03:45 PM.
 
Old 06-23-2020, 03:44 AM   #2
ferrari
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You can download and install manually...
https://developers.hp.com/hp-linux-i...inting/plugins
 
Old 06-24-2020, 08:16 AM   #3
sombragris
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Registered: Jul 2004
Location: Asuncion, Paraguay, South America
Distribution: Slackware
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Original Poster
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Thanks @ferrari but the issue is not necessarily the plugin download. The problem is that I tell HP Device Manager to download the firmware and only then my printer becomes responsive, without any actual download happening. A change happens, but I am unable to tell which exact change it is.
 
Old 06-24-2020, 10:54 AM   #4
Raveriux
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Registered: Jul 2013
Location: Lithuania
Distribution: Slackware64 14, Slackware64 -current, Maemo
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Maybe it somehow related to that fact that hplip is compiled with --enable-policykit flag
 
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Old 06-26-2020, 09:30 AM   #5
gmgf
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Registered: Jun 2012
Location: Bergerac, France
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It seem HPLIP, need a patch for plugins:

https://git.archlinux.org/svntogit/p...7d6e2bf5f651dd
 
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