LJ3050 scanner top plastic cover - Does not include electronics assembly
Front cover assembly - Has cutouts for the toner cartridge door release button, and paper input tray assembly
Laser/scanner assembly - Mounts on the front support shelf on the printer frame assembly - Mounts just below the engine control unit PC board
Scanner meida lever - Paper type selctor lever for scanner ADF input tray
Stepping motor - Main drive motor for the printer - Motor M1
Formatter board - Controls the logic and timing operation of the printer, translates the control panel input, and provides control of the scanner assembly - Mounts on the right side of the printer - For LaserJet 3050AIO model only
HP Jetdirect ew2400 802.11g wireless print server module - Includes power supply, USB cable, LAN/Ethernet cable, setup documentation and software
Line interface unit (LIU) PC board - provides telephone communications (for fax capabilities) to the printer - For the United States and World Wide EXCEPT Europe
Paper pickup roller (D-shaped roller) - Picks up media from the paper input tray
M3 pan-head Phillips screw - 10mm long
Compression spring - Provides pressure for scanner link - Two used, one on each side