Very good quality, very economical

The ink is 1a, the yield is high, but really no equivalent to 700 (color) or 1,200 pages (black)! One must not forget, however:

These values

- ... Are reference values, ie included with test pages that a certain percentage of text and images / graphics, been determined
- ... Even voted at any other manufacturer
- ... Are always dependent on what quality you are and what you print
- ... Do not consider the consumption by turning on / off the printer and the cleaning process, which is activated during power on / off

Anyway, I find it very useful that Black is a larger container, since one more prints black text normally (at least for the printers for which these cartridges were made, since no pure photo printer).

They are still far more productive and effective than with Canon, I could reduce the cost of my ink consumption annually 80-100 on 60.

However, since the details vary so greatly, 1 star deduction. So for 1 1/2 packages of paper they really are not enough now ...