Hello AdamP,
Thank you for using the forum, have you tried cleaning the feed rollers in the document handler? I found this article with the instruction on how to clean the feed rollers.
If you are still having issues after trying these steps, I suggest that you call into our support department for assistance @ 1-800-821-2797 or 1-800-835-6100
I just bought this C505 printer. When using the top feeder to make copies ithe paper is not feeding all the way through and is gettin jammed even with just a single page. Please give me any advice to fix this issue. Thanks