Thank you for using the Support Forum. Sounds like you may be going over the 20 MB limit for transferring data over the network. Please see the article from online support for Send Scan Data to the PC Over the Network,
If this is not the issue then please consider contacting your support centre for further assistance.
Thanks, CherylO-Xerox Community Manager
Be sure to click Kudos for those who have helped you. Select Accept as Solution for posts that have helped to solve your issue(s)!