Canon iP4500 Printer Quick Start for Ubuntu
You are Welcome! The Tutorial shows you Step-by-Step How to Install the Canon iP4500 Printer Drivers on Ubuntu 16.04 Xenial Xerus LTS Desktop.
Included in the Canon Printer Installation Tutorial for Ubuntu you find also detailed instructions on How to Get Started with Canon Scanning on Ubuntu.

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Open a Shell Terminal emulator window
Ctrl+Alt+t on Desktop
(Press “Enter” to Execute Commands) -
Download Canon iP4500 Printer Linux Drivers
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Double-Click/Right-Click & Open with Archive Manager:
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Checking/Installing GDebi Package Installer:
which gdebi
If Not there then:
sudo apt-get install gdebi gdebi-core
If Got “User is Not in Sudoers file” then see: How to Enable sudo
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Installing the Canon Packages Drivers with:
cd /tmp/
sudo gdebi ./cnijfilter*i386.deb"
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How to Get Started Scanning on Ubuntu