Phaser 4400 Laser Printer Service Manual 6-1FRU DisassemblyThis section contains step-by-step removal procedures for a specific component orassembly. Numbers in the illustrations refer to steps in the procedure. For example: ifstep 3 in a procedure instructs you to remove a screw, the screw in the illustration islabeled 3. Unless a specific Replacement procedure is included, reassembly is thereverse of disassembly.Illustrations are used to assist you with the procedures. You should refer to thespecific Parts List illustration (listed under the repair title) for locating mostcomponents within a procedure.Caution: Always reinstall the correct type and size screws. Using thewrong screw can damage tapped holes.Caution: Do not use excessive force to either remove or install a part.Locations, such as left, right, front, or rear, given in the repairs assume you are facingthe printer front panel.The Print Cartridge should be removed and stored in a dark, safe place whenperforming any procedure where screws or components may damage the cartridgeand where exposure to light could degrade performance.List of ProceduresCovers and Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6RRP 1.1 Left Interface Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-6RRP 1.2 Left Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7RRP 1.3 Option Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-8RRP 1.4 Top Cover Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-9RRP 1.5 Right Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-10RRP 1.6 Front Cover Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11RRP 1.7 Left Front Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-12RRP 1.8 Rear Cover Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-13RRP 1.9 Front Panel Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-14RRP 1.10 Interlock Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-15RRP 1.11 Left Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-16RRP 1.12 Plate Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-17Tray 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18RRP 2.1 Retard Roller Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-18RRP 2.2 Friction Clutch Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-20RRP 2.3 Retard Spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-22RRP 2.4 Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-24RRP 2.5 Paper Feeder Connector and Socket Guide. . . . . . . . . . . . . . . . . . .6-26
