Archived from groups: comp.periphs.printers (
More info?)
"Bob Headrick" <bobh@proaxis.com> wrote in message
news:10ct4b1mkjffu83@corp.supernews.com...
>
> "Ray K" <raykosXXX@optonline.net> wrote in message
> news:Xtvzc.2252$m83.489408@news4.srv.hcvlny.cv.net...
> > When a color image contains blacks within it, do inkjet printers ever
> > use their black inks to reproduce the black, or is the black reproduced
> > strictly from the C, Y, and M inks?
>
> It depends on the printer and the type of paper being printed on. For
example,
> the DeskJet 990 printer has a single pigmented black cartridge and a tri
color
> cartridge. In this printer black will be printed with the black cartridge
when
> printing on plain paper or matte photo paper. When printing on glossy
paper
> the black will be printed by mixing C, M and Y.
>
> The more recent DeskJet printer such as the DeskJet 5650 or Photosmart
7760
> support a photo cartridge which can be used in the place of the pigmented
black
> cartridge. The photo cartridge has light cyan, light magenta and photo
black
> which are used for printing on glossy media. Finally, the Photosmart 7960
has
> an additional grayscale photo cartridge that has light gray, gray and
photo
> black inks.
>
> Generally pigmented black inks are good for text but less suitable for
glossy
> photo media. Dye based black inks are typically used for photo printing.
The latest Canons contain 2 blacks - pigment for text and dye for photos
(BCI-6BK) - a total of 5 carts.