[GTALUG] scanner on hp LaserJet Pro MFP M26nw

[Russell Reiter]

Do you get an actual xsane window saying the device was not found, or some
other xsane report on the issue? The reports are sometimes very cryptic.

This has been a fairly common mode switching issue where the device is set
by default for printing for a multifunctional print/scan device. In my case
for my brother printer/scanner I would place a rule in the UDEV rules.d
folder which makes the mode switch to scanner for me when the application
requests control of the device.

However a quick look on the internet for HP shows that there may have been
an HP software install configuration glitch even as recently as June 2020
for some,

This mint user seems to have solved it for an earlier HP MFP device by
doing a complete software reinstall.

HP Laserjet Pro MFP M26a - Could Scan, Can't Now (SOLVED)
https://forums.linuxmint.com/viewtopic.php?t=261065

This is from that link but there are several links to hp and other sites to
help with troubleshooting; rc files are resource configurations for Linux.
------
sudo apt-get --reinstall install hplip

Apparently, (code: rc) wasn't installed properly - I have no idea what this
means and don't recall seeing it in the printout from the many commands
I've input over the past few days. I also don't recall it being mentioned
in any of the HP Help instructions.
------

HTH
Russell



On Tue, Oct 6, 2020, 12:10 PM Chris Aitken via talk, <talk at gtalug.org>
wrote:

> Hi. Just joined the group. I can't get scanner (on my hp LaserJet Pro
> MFP M26nw) working. It was scanning fine on my ubuntu 14.0-something LTS
> machine. However, I got a more powerful computer and had a fresh install
> of ubuntu 20.04.1 LTS done. I typed sane in a terminal and got..
>
> Command 'sane' not found, did you mean:
>
>    command 'save' from deb atfs (1.4pl6-14)
>    command 'xsane' from deb xsane (0.999-8ubuntu2)
>    command 'sage' from deb sagemath-common (9.0-1ubuntu4)
>    command 'saned' from deb sane-utils (1.0.29-0ubuntu5.2)
>
> Try: sudo apt install <deb name>
>
> I tried sudo apt-get install sane and got ...
>
> [sudo] password for owner:
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> sane is already the newest version (1.0.14-15).
> The following packages were automatically installed and are no longer
> required:
>    hplip-data libimagequant0 printer-driver-postscript-hp python3-olefile
>    python3-pil python3-renderpm python3-reportlab python3-reportlab-accel
> Use 'sudo apt autoremove' to remove them.
>
> 0 upgraded, 0 newly installed, 0 to remove and 16 not upgraded.
>
> So, I tried xsane and got ...
>
>   Failed to load module "canberra-gtk-module"
>
> Then an hp wizard offered to install it, then ...
>
>   Failed to open device
> 'hpaio:/usb_HP_LaserJet_Pro_MFP_M26nw?serial=CNB6J9P50R': Error during
> devioce I/O.
>
> Printing is working fine.
>
> Ideas?
>
> Chris
>
>
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