[scribus] Printing in gray

[Gregory Pittman]

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