Binary plug-in not installed for HP Color LaserJet Pro MFP m476dw

[cybis]

On my clean Manjaro 19.0.2 install the binary plugin- for my HP Color LaserJet MFP m476dw unfortunately won't install.

The attached zip file contains screenshots and logs of the hp-setup script as well as logs of the hp-doctor and hp-check scripts. Furthermore I've also attached a list of installed/missing packages on my system that the hp-check script is complaining about.

Steps to reproduce:
1) Execute the hp-setup script and select network/wireless discovery (step_1.png).
2) Select the discovered printer (step_2.png).
3) Select to download and install the plug-in (step_3.png).
4) Info pop-up that the key for authenticating and validating the plug-in can't be retrieved from the key server (step_4.png).
5) Agree to the terms (step_5.png).
6) Provide the root credentials (step_6.png).
7) Info pop-up that the plug-in was installed successfully (step_7.png).
8) Immediately after that, an error pop-up shows that the binary plug-in needs to be installed via the hp-plugin (step_8.png). However, doing so simply repeats step 3) to step 8), i.e. infinite loop.
9) The wizard basically jumps back to step 2), i.e. again an infinite loop.

Not sure if this issue is related to https://bugs.launchpad.net/hplip/+bug/1868320.

[Anam Alam (anam03)]

"Try downloading the plugin from https://developers.hp.com/hp-linux-imaging-and-printing/plugins
 and install the plugin separately as below:

sh YOUR_DOWNLOADED_PLUGIN_FILE
The version of your hplip and hp-plugin should match"