Dell 5100cn Color Laser Printer User Manual page 61

11. Insert the trays into the printer and optional 500-sheet tray module.
12. Reattach the paper tray cover to the back of the printer and the optional 500-sheet tray module.
13. Peel off the peel-off paper on the double-sided adhesive tape on the cable hook, and affix the cable hook on the
back of the printer.
14. Plug the power cable into the power cable connecter at the back of the printer, wind the power cable onto the cable