Cannon is very well known for
NOT supporting any os other than MS Windows
if it is not on the S.A.N.E. list
http://www.sane-project.org/sane-supported-devices.html
it is likely not supported
use Windows to scan
or
buy a supported scanner
but the The PIXMA MP280 is listed a "good" for usb
you need to have SANE installed
should be by default
there should be a GUI for xsane