Contents xiiiField Replaceable Units (FRU) Parts List 7 - 193Using the parts list ..............................................................................................7 - 193PL 1.0 - Covers ..........................................................................................7 - 194PL 2.0 - MPT Pick Assembly .....................................................................7 - 196PL 3.0 - Printer Control Components Boards.............................................7 - 198PL 4.0 - Top Cover Inner Frame ................................................................7 - 200PL 5.1 - Printer Unit Chassis (1 of 2) .........................................................7 - 202PL 5.2 - Printer Unit Chassis (2 of 2) and Power Supplies ........................7 - 204PL 6.1 - Paper Tray 1..................................................................................7 - 206PL 6.2 - Lower Tray Deck & Lower Tray Assembly (Trays 2, 3, 4, 5) .....7 - 208Kits......................................................................................................................7 - 210Supplies and Accessories....................................................................................7 - 213Manuals and CD’s ..............................................................................................7 - 213Customer Replaceable Consumables..................................................................7 - 214Paper and Media .........................................................................................7 - 215Theory of Operation 8 - 219Mechanical Process of the Printer ......................................................................8 - 220Summary of the Printing Process .......................................................................8 - 221Summary of the Paper Path ................................................................................8 - 226Paper Fed from Tray 1................................................................................8 - 227Paper Fed from Optional Trays ..................................................................8 - 228Paper Fed from the Multi-Purpose Tray.....................................................8 - 229Transfer Unit...............................................................................................8 - 230Imaging Unit Up/Down Movement............................................................8 - 231Transfer Unit Arm and Gear Up/Down Movement of the Imaging Units .8 - 232Fuser and Paper Exit...................................................................................8 - 233Duplex Unit ................................................................................................8 - 234Paper Jam Detection ...........................................................................................8 - 235Paper Size Sensing......................................................................................8 - 236Fuser Temperature Settings ................................................................................8 - 237Cover Open Detection ........................................................................................8 - 238Toner Detection ..................................................................................................8 - 239Color Registration Detection ......................................................................8 - 241Customer Replaceable Consumable Detection...........................................8 - 242Customer Replaceable Consumable (CRC) Life Counter Behavior ..........8 - 242Printer Components ............................................................................................8 - 244Engine Controller Board Connectors..........................................................8 - 246Sensors........................................................................................................8 - 248Clutches, Motors and Solenoids .................................................................8 - 250Wiring Diagrams 10 - 251
