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Le 2011-06-27 02:58, Jean Hollis Weber a écrit :
On Mon, 2011-06-27 at 02:39 -0400, Marc Paré wrote:
Yes, this is definitely a point that must be considered. We still need
to try to keep this as manageable as possible, but if we need 2 versions
to simplify the process, then we can do a grayscale at the same time as
the coloured version.

Is the conversion a requirement that was established by ourselves or
Lulu's? Is this standard practise and a "must" when sending files to
print in greyscale?

I wonder if there is also a way to complete the conversion with another
tool other than Acrobat Pro. We also need to keep this as accessible to
other contributing members. Acrobat Pro retails for approximately US$450
which puts it out of reach for many. We should really look for FOSS
alternatives. Let us know if we can help with this.

No one needs to do those steps except the person who submits the files
to Lulu. Therefore NO ONE else needs Acrobat Pro. Other contributors
merely create a PDF from LibreOffice in the usual way.

At this time, I am the only person publishing the books on Lulu, and I
have a copy of Acrobat Pro, so it is not a problem. (Gary Schnabl also
has a copy, and others may as well.) If and when The Document Foundation
chooses to have its own Lulu account, then this would become an issue.

AFAIK, conversion to grayscale before submission to Lulu is not
required. However, saving to PostScript and redistilling using Acrobat
Distiller seems to be required for the files to print reliably on all of
Lulu's printers. (Which printer does the work depends on where the
purchaser of the book is located.) Lightning Source, Lulu's main
printer, states that PDFs MUST be produced using Acrobat Distiller to
ensure the files print okay.


Thanks for the info.



Marc Paré

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