Thank you for using the Support Forum. Please click on the link for the 8700 in the announcement on the page. Then scroll down to Firmware and download the System Software, the NVRAM software is include in that System Software. I have included a link directly to the software. Hope this helps.
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)!