Covert color pdf to a black & white

Does anyone know how to convert a color pdf into black and white? We're having some space issues on our server and have some documents that were scanned in color that we would like to convert to black and white to reduce the file size. I am using Adobe 8 Standard. I've tried printing the document to the Acrobat Distiller and choosing black and white in the print options, but it still prints it in color.

Have you done a search of the forum? There have been a few topics on this in the last few weeks.
There are options in PDF Optimize that some have tried to use and there is also an option under TOOLS>Print Production that has some options along this manner.
I have found that the conversion to B&W does not always seem to work as you have found. These other options might help. Bill

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