Install Canon MX490 Series Printers in Ubuntu
The linked Tutorials Show You Step-by-Step How to Download and Install Canon MX490 Series Printers Ubuntu Driver.
And included in the Canon MX490 Ubuntu Install Tutorial You find also detailed instructions to Getting-Started with Canon MX490 Scanner on Ubuntu.
Finally, the Canon PIXMA MX490 Printer Series includes the following Models:
Canon PIXMA MX491, PIXMA MX492, PIXMA MX494, PIXMA MX495, PIXMA MX496, PIXMA MX497, PIXMA MX499.