Install Canon iP1900 on Ubuntu
You are Welcome! The Tutorial shows you Step-by-Step How to Install the Canon iP1900 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 iP1900 Printer Linux Drivers
Get the IJ Printer Driver debian Packagearchive.
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Double-Click/Right-Click & Open with Archive Manager:
Extract only the .deb Packages into /tmp.
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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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Install the Canon Printer Driver with:
cd /tmp/
If Got “User is Not in Sudoers file” then see: How to Enable sudo
sudo su -c "gdebi ./cnijfilter*.deb"