> I talked to the publisher again and he said that he would send me the exact
> error message, but I have not received it yet.  But he did say that his
> printing shop wants the ability to download just the header information
> from a
> pdf rather than the whole pdf file which may be up to 80 mbytes.  From that
> header information they will have the ability to render individual pages
> rather than the whole document.  For example, they could request page 264
> and
> render that single page as a jpeg.
>
> Note that this is information from the publisher, not the printing shop
> that
> is doing the work, so technically, the publisher's jargon may be
> inaccurate,
> but a basic understanding of the needed functionality is there.
>
> When I get specific information from the printing shop, I'll pass it along.
>
ok , I'm really interested about it .

-- 
luigi