[scribus] Slower printing with grays

Rolf-Werner Eilert eilert-sprachen at t-online.de
Wed Oct 30 09:34:34 UTC 2013

Am 30.10.2013 09:58, schrieb Sveinn í Felli:
> Þann mið 30.okt 2013 07:42, skrifaði Rolf-Werner Eilert:
>> 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 CMYK view (K slider), will the
>> printer have to recalculate the CMYK definition to RGB or
>> something like this?
>> Rolf
> Is it possible that the printer/copier has (several) built-in rasters
> (pattern types) and that some time is necessary to calculate which one
> fits best for the gray shade ?
> Recall vaguely a laser printer I was using years ago where this was the
> case if one didn't define in the driver interface which raster type to use.
> Just thoughts,
> Sveinn

Don't think so. When I search for it in the maintenance menu or 
handbook, no such thing is mentioned. So, I would say probably not.


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