How to Install Canon GX4020/GX4040/GX4050 Printer on Ubuntu 18.04

Installing Printer

4. 4. Extracting Driver

   Extract into the /tmp directory
   Possibly Double-Click on Driver from the File Manager:

   

   But if yuo are in Trouble to Find it out then See: How to Access Downloads Folder from Browser.

5. 5. Installing Driver

   Now to Install Canon Printer Driver
   Access the Target location:

   cd /tmp/cnijfilter*

   Run the Installation script:

   sudo ./install.sh

   You could be asked to Connect and Turn On the Printer…
   In case of Installation Issues see this Troubleshooting!
   
   Now in case of Issue then try first to execute:

   cd packages

   And then for 64-bit Systems:

   sudo apt install ./*amd64.deb

   Instead on 32-bit:

   sudo apt install ./*i386.deb

6. 6. Adding Printer

   Finally, Go to Add Printer:

   Search for the Settings App (Type Cmd/Win to Start Searching):

   

   Again Choose Devices:

   

   And now Choose the “Add Printer” Button:

   

   Then Browse to “Install PPD File” Driver…

   How to Find Printer PPD File Location on GNU/Linux

   GNU/Linux Desktops Ubuntu File Location Searching

   .

   Or Else Find it in the “Printers Database”.
   So, your Printer should be Now successfully Installed and Working! ;)