In article <BF9D2064-DB81-45AA-8CEF-57EF5C03FC51@microsoft.com>, Katriel wrote:
> I have converted a PowerPoint 2007 file to PDF, but it cannot be printed
> correctly on a commercial printer (digital printing). The printer reports
> that the PDF has "layers" which prevent him from changing some of the color
> pages to grayscale.
>
> How do I flatten the PDF once created? Or, is it possible to create the PDF
> without layers? Thanks,
> Katriel
> great sites for health care providers - www.gomdweb.com

You don't mention HOW you created the PDF in the first place. That might help.

If you're using the Office Publish as PDF/XPS add-in, try the following:

In the Publish dialog box, choose Optimize for: Standard (publishing online
and printing)

Click Options

Put a check next to "ISO 19005-1 compliant..."

Remove the check next to "Document structure tags ..."

Make PDF again and see if that improves things.