Ubuntu does not have a driver for the Canon i475D printer. I experimented with several and found that the ‘i450D foomatic/bjc800’ driver provided the best test page.
Some web resources (like this) suggest using the BJC800 driver, however I found it printed the test page very small on the page. I notice the i450 driver mentions the bjc800. Be sure to chose the i450/bjc800 and NOT the bjc800 only and the prints will be just fine.
JPWhite's Tech Blog 
[…] This post was mentioned on Twitter by Billy Bonkoski, JP White. JP White said: Best driver for Canon i475D on Ubuntu 9.10. See http://wp.me/pCOs1-31 […]