RB1-3481-020CNCover for gear cluster (Main Drive train) assembly - Attached to the main motor
RG1-3508-030CNUpper rear cover assembly - Includes paper reversing tray and latch - Large 'box' structure on the rear of the LaserJet (Covering the switchback area of the duplexer)
RG5-0459-000CNRight front cover assembly - Includes spring loaded font door
RG5-0872-000CNTop cover assembly - Includes hinges top cover and top door