Thank you for using the Support Forum. Please make sure that the waste cartridge is installed properly, remove it and reseat it. Also make sure there is no paper stuck anywhere is the machine. If these solutions do not help 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)!