Last time when I printed my thesis at a copy shop the nice girl asked me if my pdf
has some kind of color information stored inside. She explained to me that their printers can detect black and white pages and print them without using any color. Unfortunately my pdf
which was generated using pdflatex
(MikTeX
, now I'm on macTeX
) did not provide the information if a page uses any color (every page was detected as colored). Now my question is: How can I provide this information? Is there any option I have to use when generating my pdf
?
I'm asking because the price of a black and white page is one-tenth of a colored page. This makes a huge difference when printing 150+ pages.
Colored pages should stay colored so black and white only is not an option.
I printed my thesis (created with macTeX
) yesterday and every text page was recognized correctly as being b/w only. However every page with a figure was detected colored although the figure were b/w only. Now what's the problem? Is there any option for figure to give pdfLaTeX
a hint?
According to pixelmator the png image (which was created with the osx snapshot tool from a pdf) is using the rgb profile with depth of 8. Profile Name is Colored LCD
(I've no idea what I'm talking about ;)):