70 ñ C710n Userís Guide10. Holding the complete assembly by its top centre, lower it intoplace in the printer, locating the pegs at each end into theirslots in the sides of the printer cavity.11. Finally, close the top cover and press down firmly at bothsides so that the cover latches closed.Replacing the Transfer Belt Unit ____The belt unit is located under the four image drums. This unitrequires replacement approximately every 60,000 pages.Switch off the printer and allow the fuser to cool for about10 minutes before opening the cover.Note:If you need to return or transport your printer for anyreason, please make sure you remove the image drumunit beforehand and place in the bag provided. This is toavoid toner spillage.