S900 And S9000: Cost Per Page
Cartridge Life
No surprises here. The cartridge life varies greatly, particularly notable are the excellent quality of the black cartridge and the weakness of the lightest colors (photo Cyan and photo Magenta).
Photo Ink Costs
The prices above were estimated without the paper, which is very expensive, often in the region of $1 per A4 page. Canon does not crush its rivals quite the way it usually does, but its printers do come out somewhat better. This is exactly where the HP printer has its downfall: its photos work out to be twice as expensive as its rivals.
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