HP LaserJet 4250 wiring diagram .....................................................................................427 HP LaserJet 4300 wiring diagram .....................................................................................428 HP LaserJet 4350 wiring diagram .....................................................................................429 500-sheet feeder wiring diagram........................................................................................430 1,500-sheet feeder wiring diagram.....................................................................................431 Duplex accessory wiring diagram.......................................................................................432 Envelope-feeder-accessory wiring diagram.......................................................................433 Stacker-accessory wiring diagram......................................................................................434 Stapler/stacker-accessory wiring diagram..........................................................................435 Dc controller connectors diagram.......................................................................................436 General timing diagrams.....................................................................................................................437 HP LaserJet 4200 general timing diagram.........................................................................438 HP LaserJet 4250 general timing diagram.........................................................................439 HP LaserJet 4300 general timing diagram.........................................................................440 HP LaserJet 4350 general timing diagram.........................................................................441 Stapler/stacker timing diagram...........................................................................................442 8 Parts and diagrams Chapter contents.................................................................................................................................443 Ordering parts and supplies................................................................................................................444 Parts....................................................................................................................................444 Related documentation and software.................................................................................444 HP-authorized resellers and support..................................................................................445 HP service agreements......................................................................................................445 HP Partner Portal................................................................................................................445 Supplies..............................................................................................................................446 Consumables and accessories...........................................................................................................447 Consumables......................................................................................................................447 Accessories.........................................................................................................................448 Memory, fonts, and mass storage .....................................................................................450 Cables and connectivity......................................................................................................452 Formatters, laser/scanners, power supplies, and fusers....................................................453 Assembly locations (1 of 3) ................................................................................................454 Assembly locations (2 of 3) ................................................................................................455 Assembly locations (3 of 3) ................................................................................................456 Covers.................................................................................................................................................458 Internal components............................................................................................................................462 Accessories.........................................................................................................................................484 Alphabetical parts list...........................................................................................................................494 Numerical parts list..............................................................................................................................503 Index....................................................................................................................................................................513 xii