Installing Canon MX474 Drivers for Ubuntu 14.04 Trusty LTS
You are Welcome! The Tutorial shows you Step-by-Step How to Install the Canon PIXMA MX474 All-in-One Printer Driver on Ubuntu 14.04 Trusty Tahr LTS GNU/Linux Desktop.
Included in the Canon MX474 Installation Tutorial for Ubuntu you find also detailed instructions on How to Get Started with Canon Scanning on Ubuntu.

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Open Terminal Window
Ctrl+Alt+t
(Press “Enter” to Execute Commands) -
Installing Required Packages.
sudo su -c "apt-get install libxml2 libglade2-0 libpng3 libtiff5"
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Download Canon MX470 Series Linux Driver
Select the MX470 Series Printers .deb Driver.
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Open a File Manager Window
Go to Home > Downloads -
Possibly Double-Click on Printer Driver on the File Manager:
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Extract into the /tmp Directory.
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Installing 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
sudo apt-get install gdebi gdebi-core
For 32-bit Systems:
sudo gdebi ./*i386.deb
For 64-bit Systems:
sudo gdebi ./*amd64.deb
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Finally, Go on System Settings to Add Printer
And the Printer will be Recognized and Installed -
Getting-Started with Canon MX474 Scanner on Ubuntu