Removing the filler panel for tray 2 (HP Color LaserJet 8550 base model) 1 Open the front cover. 2 Release the tab at the top, towards the right, of the filler panel and rotate the top of the filler panel toward you. Figure 82. Filler panel for tray 2 Note One screw secures the filler panel bracket. To replace the filler panel with a tray 2, remove the screw and the bracket before attempting to install a tray 2. EN Doors and covers 231