Please take a look at page 4 of the product brochure for the scan capabilities of the B235.
Thank you for using the Support Forum. I see no one has responded to this post yet. So, at this point I would recommend contacting your local Xerox Support Department to speak with a Product Specialist for more assistance. Please call 1-800-821-2797 or 1-800-835-6100.
We have had our IT team trying to scan legal ( PDF ) format has not been sucessful .