Dell 2130cn Color Laser Printer - Manual (Page 106)

7. Carefully remove the front protective cover from the PHD unit.
8. Close the belt unit by pushing it up.
9. Close the front cover.
10. Insert the standard 250-sheet tray into the printer, and push until it stops.
Replacing Retard Roller
Keeping the retard roller in the paper tray clean helps ensure the best possible copies. It is recommended to clean the separator at regular intervals.
Dell retard rollers are available only through Dell. To order by phone, see "Contacting Dell" .
It is recommended to use Dell retard rollers for your printer. Dell does not provide warranty coverage for problems caused by using accessories, parts, or
components not supplied by Dell.
NOTICE: Ensure that you do not hit the belt unit when removing the front protective cover.
CAUTION: Do not use excessive force on the tray. Doing so could damage the tray or the inside of the printer.
CAUTION: To prevent electric shock, always turn off the printer and disconnect the power cable from the grounded outlet before performing
maintenance.
CAUTION: Before performing any of the following procedures, read and follow the safety instructions in your Product Information Guide.