According to the Canon website:
For the BCI-3 series:
-- i550
-- i560
-- i850
-- i860
-- MultiPASS C755
-- MultiPASS F30
-- MultiPASS F50
-- MultiPASS F60
-- MultiPASS F80
-- MultiPASS MP700
-- MultiPASS MP730
-- PIXMA iP3000
-- PIXMA iP4000
-- PIXMA iP4000R
-- PIXMA iP5000
-- PIXMA MP750
-- PIXMA MP760
-- PIXMA MP780
-- S400
-- S450
-- S500
-- S520
-- S530D
-- S600
-- S630
-- S630 Network
-- S750
For BCI-6 series:
-- BJC-8200
-- i860
-- i900D
-- i9100
-- i950
-- i960
-- i9900
-- PIXMA iP4000
-- PIXMA iP4000R
-- PIXMA iP5000
-- PIXMA iP6000D
-- PIXMA iP8500
-- PIXMA MP750
-- PIXMA MP760
-- PIXMA MP780
-- S800
-- S820
-- S820D
-- S830D
-- S900
-- S9000
For BCI-15 series:
-- i70
-- i80
-- PIXMA iP90
-- PIXMA iP90v
Double-check for yourself for by going to this page, clicking the ink cartridge you're interested in, and then go to the compatibility tab: http://shop.usa.canon.com/webapp/wcs/stores/servlet/ProductListingViewAll_10051_10051_-1_35256
