[Printing-architecture] Different Collate option handling in pdftopdf and pstops

Michael Sweet msweet at apple.com
Mon Dec 9 14:55:16 UTC 2013


One could argue that pdftopdf should support the cupsManualCopies keyword and generate page references to effectively do multiple copies.

However, given that PDF is NOT a streaming format (at least not for the printer, since it needs the entire document to print an arbitrary PDF file) it seems inconceivable that you would have a PDF printer that does not support (collated) copy generation.  And in fact it is a hard requirement for IPP Everywhere printers that support PDF.

How are you printing the PDF to the printer?  (output of lpstat -v would be useful)

What driver are you using?

On Dec 9, 2013, at 8:40 AM, Andrey Makhalkin <a.makhalkin at samsung.com> wrote:

> Hi,
> Our testing group has found an issue with printing of multiple copies
> with collate option turned on.
> cups-filters version is 1.0.40-0ubuntu1
> When PDF workflow is used, pdftopdf filter doesn't put collated copies
> of document pages in output pdf file.
> With the same PPD file and print options pstops filter produces N *
> (numpages) pages in output PS file, which seems to be a correct behavior.
> There is an attribute  *cupsManualCopies in PPD file, which is set to False.
> There is no Collate option inside the PPD file.
> This  printer doesn't seem to support hardware collate, but it supports
> hardware page copies.
> The expected filter behavior is to produce collated copies of the document.
> When we change its value to "True", pdftopdf filter produces the
> expected number of pages (does copies manually).
> Could you please explain, which filter behaves correctly?
> Is it a bug in pdftopdf filter?
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Michael Sweet, Senior Printing System Engineer, PWG Chair

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