GNU/Linux Debian 11 Epson ET-3800 Driver Setup – Step-by-step Guide
How to Download and Install Epson ET-3800 Printer/Scanner Driver on Debian Bullseye 11 GNU/Linux desktop – Step by step Tutorial.
And to Install Epson ET-3800 Printer on Debian 11 you need to Setup the Proprietary Driver.
Especially relevant: using the Epson Printer Utility Software, you can check Ink Levels, View Error and other Status…
Finally, the guide includes also detailed instructions on How to Add ET-3800 Printer and Get Started Scanning.

1. Terminal QuickStart
How to QuickStart with Command Line on Debian GNU/Linux
First, Update the Apt Repo Sources with:
sudo apt update
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