Need to purchase a manual...how do I find one?

A manual for what? What brand and model are you looking for?

Usually, you can go to the manufacturer and ask them for one. Not sure you would need to purchase a manual for a product like a Pasta Maker. Some manufactures may be able to simple email you a PDF that you can read online or print a copy for yourself.

Try going to the company website for the brand of pasta maker you have to see if they have a support or contact link that you can seek what you're looking for.