[scribus] Slower printing with grays

Rolf-Werner Eilert eilert-sprachen at t-online.de
Wed Oct 30 09:32:50 UTC 2013

Am 30.10.2013 08:58, schrieb Owen:
>> Am 29.10.2013 15:59, schrieb john Culleton:
>>> On Tue, 29 Oct 2013 11:43:30 +0100
>>> Rolf-Werner Eilert <eilert-sprachen at t-online.de> wrote:
>>>> Currently I'm working on a little brochure in b/w made for
>>>> being printed on our copier.
>>>> When I have gray elements (gray letters or gray polygons) on
>>>> the pages, they will print much slower than pages with only
>>>> 100 % black elements. The difference is big: instead of
>>>> "instant" print, it will take 4 - 8 seconds for the RIP to
>>>> make up the page. I know, printing pictures is slower, too.
>>>> But here there are only homogeneous gray areas.
>>>> My first thought was, I had cloned some gray colours out of
>>>> the CMYK black one (with the K slider to 50, 60, 70 %). Making
>>>> RGB colours out of them didn't help, however.
>>>> Is there any way to speed up printing such pages?
>>>> Rolf
>>> Have you tried saving the file as pdf and then printing that
>>> file from e.g., Acrobat Reader or (for Linux) Okular?
>> Yes, this is precisely what I do here: Making a PDF and printing it
>> from
>> Okular or KPDF or Reader + kprinter.
>> I've been printing a lot of documents made with Scribus to this copier
>> in the last years, and I know a bit the results in advance. Once a
>> month, I have to print A3 duplex containing some pictures, inline pdf,
>> or gray areas, and that takes about 12 - 15 seconds for each double
>> page
>> to start printing.
>> But simple A4 has always printed (almost) at once, with some second or
>> two delay when there are many pictures on the page. So this is new to
>> me, and I will have to print this new document more than once. It
>> would
>> be nice if I could find out the reason and speed it up a bit, because
>> it
>> will have to print duplex and at least 10 copies of about 12 - 14
>> pages
>> when it's ready.
>> Does the way the colors are defined have any influence on printing
>> output to "Grayscale" printing? This was the only idea I've had what
>> made be "wrong". If making e. g. a 60 % gray by defining it via the
>> view (K slider), will the printer have to recalculate the CMYK
>> definition to RGB or something like this?
> I just searched Google "print grayscale slow" and while you don't say
> the type of printer, if it is an injet, the mechanics of getting gray
> will slow down the print speed. See
> http://blog.matanprinters.com/the-truth-about-grayscale-revealed-pds-vs-grayscale/
> Anyway, if that's no help to you, do you have the correct and/or the
> latest driver?

No, it's a laser one, UTAX CD 1040, makes 40 copies per minute - or less 
with duplex and/or A3. Rather big machine, but somewhat older already.


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