Xerox WorkCentre 7970-3795 - Manual (Page 198)

Maintenance
4. Remove the new transfer roller from the packaging. Retain the packaging.
5. Push the orange lever in the direction shown.
6. Lift the used transfer roller out of the printer.
Note: Do not touch any toner adhering to the transfer roller.
7. Place the used transfer roller in the plastic bag.
198 Xerox ® WorkCentre ® 7970 Multifunction Printer
User Guide