http://www.morfon.com/pixma-mp490-ink/
How Many Pages Can A Canon PIXMA MP490 Printer Print On One Ink Cartridge.?
On Regular 4 x 6 pages
On 4×6 photo paper
from PC World
“As with most low-priced MFPs, Canon makes its real money by charging more for the ink. The Pixma MP490 ships with standard-size cartridges. The 220-page replacement costs $16 or a costly 7.3 cents per page. The 401-page, high-yield black cartridge costs $22 or 5.5 cents per page–better, but still no bargain. Color inks are more reasonable: High-yield cyan, magenta, and yellow each cost $17 and last 750 pages (2.3 cents per color, per page), while the standard-size cartridges cost $10.49 and last 325 pages (3.2 cents per color, per page).”
There is no concrete “page” size definition, as an educated guess, I assume they are using A4 or 8.5 X 11 paper. that’s just about double the 4X6 paper. On photo, the machine will probably use a touch more ink, so I’d reduce the count by 10-20%.
so pulling a number totally from uneducated assumption, the high-yield color cartridges should print about 1200 4 X 6 pictures.. but you’ll replace the black about every 750.
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