Printer covers and doors Figure 249. Printer covers and doors (1 of 4)—Filler panel for tray 2 (HP Color LaserJet 8550 base model only) Table 58. Printer covers and doors (1 of 4)—Filler panel for tray 2 Ref. Description Part number Qty. 1 Filler panel for tray 2 RB2-0207-000CN 1 2 Filler panel bracket for tray 2 RB2-0208-000CN 1 3 Screw, filler panel bracket, M4X8 XA9-0926-000CN 1 EN Illustrations and parts lists 519