On 12/09/2014 10:55 AM, a.l.e wrote: > hi jehan >> Hi, >> >> On Tue, Dec 9, 2014 at 8:23 AM, Rolf-Werner Eilert >> <eilert-sprachen at t-online.de> wrote: >>>> An old laser printer: HP color laserjet 2840. >>>> >>> Why do you make a CMYK instead of a standard color PDF? >> I had a problem with my printer, so I wanted to print just some >> cyan/magenta/yellow/key shapes alone to test them and see if it could >> help me diagnose; and I thought I could do so with Scribus by using >> CMYK colored rectangles. It turned out printing from the PDF generated >> from Scribus, I had some yellow in some other shapes, so I figured >> there was a problem (which I could see, since I had the printer >> problem). >> And printing from Scribus itself, I had grey levels instead of colors >> (a problem I already encountered so I usually don't print from >> Scribus, but tried again, just in case). >> >> Isn't it supposed to be possible to make a document with CMYK colors >> in Scribus and get it printed with the CMYK composition directly to >> the home printer (so if I say "Cyan only" color, I want only the cyan >> toner to be used)? >> > > i'm not 100% up to date on the topic nor a color / print specialist... > but from what i used to hear in the past, consumer printer expect to get > RGB (and the internally convert to CMYK for printing). so, if you feed > them with CMYK, the driver will first convert the file to RGB and let > the printer reconvert it to CMYK. > > if this is true, no, it's not possible to print cyan only on a consumer > printer. > But from what I understand, when you print directly from Scribus, whether or not colors are RGB or CMYK shouldn't matter.
Ultimately, this should be a solvable problem. Greg