HP C9699A Tray Assembly - Optional 500 sheet paper
Optional 500 sheet paper input tray - Includes tray base which attaches to tray 2, and the slide out paper tray - Accommodates 216mm x 279mm (8.5 x 11 inches) or 210mm x 279mm (8.3 x 11.7 inches) media - Optional 250 sheet tray must be installed first