Figure 7-18. Location of main parts ...................................................................................451 Figure 7-19. Location of switches ......................................................................................452 Figure 7-20. Location of sensors .......................................................................................453 Figure 7-21. Location of solenoids and clutches ...............................................................454 Figure 7-22. Location of motors and fans ..........................................................................455 Figure 7-23.
PCB locations ................................................................................................456 Figure 7-24. Location of DC controller PCB connectors (HP 3700) ..................................457 Figure 7-25. Location of DC controller PCB connectors (HP 3500/3550) .........................457 Figure 7-26. Connector locations for the HP Color LaserJet 3700 printer (1 of 2) ...........458 Figure 7-27. Connector locations for the HP Color LaserJet 3700 printer (2 of 2) ...........459 Figure 7-28. Connector locations for the HP Color LaserJet 3500/3550 printer (1 of 2) . .460 Figure 7-29. Connector locations for the HP Color LaserJet 3500/3550 printer (2 of 2) .
.461 Figure 7-30. Connector locations for the 500-sheet paper feeder ....................................462 Figure 7-31. General circuit diagram (1 of 2) ....................................................................463 Figure 7-32. General circuit diagram (2 of 2) ....................................................................464 Figure 8-1. Main parts (1 of 3) .........................................................................................478 Figure 8-2. Main parts (2 of 3) .........................................................................................479 Figure 8-3.
Main parts (3 of 3) 500-sheet paper feeder ..................................................480 Figure 8-4. PCB locations (1 of 2) ...................................................................................480 Figure 8-5. Paper Feeder PCB Assembly Location Diagram (2 of 2) R90 - 1 ................482 Figure 8-6. External covers and panels ...........................................................................484 Figure 8-7. Front door assembly .....................................................................................486 Figure 8-8. Internal components (1 of 4) .........................................................................488 Figure 8-9.
Internal components (2 of 4) .........................................................................490 Figure 8-10. Internal components (3 of 4) .........................................................................494 Figure 8-11. Internal components (4 of 4) .........................................................................496 Figure 8-12. Center frame assembly .................................................................................498 Figure 8-13. Main Right Side Plate Assembly / Motors .....................................................500 Figure 8-14.
Main Left Side Plate Assembly .....................................................................504 Figure 8-15. Lower Frame Assembly - HP 3700 and HP 3500/3550 (1 of 2) ...................506 Figure 8-16. Lower Frame Assembly - HP 3700 and HP 3500/3550 (2 of 2) ...................508 Figure 8-17. Image Drive Assembly ..................................................................................510 Figure 8-18. Developing Disengaging Assembly ..............................................................512 Figure 8-19. Tray 2 (cassette) ...........................................................................................514 Figure 8-20.
Pick-up/Feed assembly (1 of 2) ....................................................................516 Figure 8-21. Pick-up/Feed assembly (2 of 2) ....................................................................518 Figure 8-22. Tray 2 (cassette) pick-up assembly ..............................................................520 Figure 8-23. Face-down delivery assembly .......................................................................522 Figure 8-24. Transfer Unit ..................................................................................................524 Figure 8-25.
Right Swing Frame Assembly .......................................................................526 Figure 8-26. Left Swing Frame Assembly .........................................................................528 Figure 8-27. Fuser .............................................................................................................530 Figure 8-28. 500-Sheet paper feeder main body ..............................................................532 Figure 8-29. 500-Sheet paper feeder paper pick-up drive assembly ................................534 Figure 8-30. 500-Sheet paper feeder tray (Tray 3) ...........................................................536 xxii ENWW