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
Stepping motor - Main drive motor for the printer - Motor M1
ADF paper seperation pad assembly - Mounts in the center of the ADF separation pad frame assembly at the rear of the paper input tray
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 en3700 external print server - Fast Ethernet Internet connector for sharing peripherals with USB ports, in a 10/100 TX LAN environment - Has one USB 2.0 printer port and one RJ-45 10/100 Base-TX connector - Includes software and power module
HP Jetdirect ew2400 802.11g wireless print server module - Includes power supply, USB cable, LAN/Ethernet cable, setup documentation and software
SHAFT ADF pickup roller assembly - Includes *black shaft frame that pickup rollers attach to and both pickup rollers Automatic document feeder (ADF) paper pick-up roller assembly
Paper pickup roller (D-shaped roller) - Picks up media from the paper input tray
HP LaserJet Printer Copier scanner head unit for Hewlett Packard series models. Scanner assembly that scans documents on the adf (automatic document feeder) unit.
M3 pan-head Phillips screw - 10mm long
ADF input paper tray assembly - Includes the tray base and adjustable width guides with gear mechanism