Dell 5130cdn Color Laser Printer - Manuel (Page 332)

Installing a Separator Roller in a Tray
1. Turn the separator roller cover to the left to open it, and then hold the cover.
2. Slide the front axle, then the rear axle of the separator roller cartridge in the holes of the tray.
3. Turn the separator roller cartridge to the left to fix it in place.
4. Turn the separator roller cover to the right to close it.