Canon MP210 printer: cannot install driver on Ubuntu 20.04

I have tried to add a printer in CUPS, however, there were no Canon MP210 drivers. The manufacturer does not provide any LINUX drivers. Also, I tried this on bash:

(base)###:~$ sudo add-apt-repository -r ppa:thierry-f/fork-michael-gruz
(base)###:~$ sudo apt update

However, I've encountered errors like:

E: The repository ' focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

And then I could not install the driver:

(base)###:~$ sudo apt-get install cnijfilter-mp210series
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package cnijfilter-mp210series

Please give me any suggestions, I have lost hope... Do you think a virtual box (Windows install) would be the best thing to do?

P.S.However, when I had Linux Mint distro everything worked fine

2 Answers

I have solved the problem by installing package printer-driver-gutenprint.

This package has the majority of the older printer drivers.

Go to the terminal (CTRL+ALT+T) and copy the following line:

sudo apt-get install printer-driver-gutenprint

Try this:

Download this package:

Assuming it was downloaded at ~/Downloads

To install it run in a terminal:

cd ~/downloads
sudo dpkg -i cnijfilter2_5.90-1+2004+1ubuntu1_amd64.deb
sudo apt -f install