Canon Color Inkjet Printer Inkjet Printer Use Color Inks Even Though Gray Scale Setting Is Used?

Inkjet printer use color inks even though gray scale setting is used? - canon color inkjet printer

Today I bought the Canon multifunction inkjet printer (Pixma MP550). I usually print out the lecture notes in black and white ... and maybe sometimes a few.

But when I on colored paper, in black and white (so-called "gray") in the store I know that still uses inks to various shades of black .. Production of pressure - especially in the pictures. I always thought if I started in black and white only with black ink has ... or am I mistaken? Maybe it is normal for inkjet printers use color inks to produce various shades of gray to ... I can not. I just hope that ink .. can save