HP 4300 Service Manual - Page 11

List of figures Q2431-90912 Figure 1. Printer physical dimensions 6 Figure 2. Sample cleaning page 56 Figure 3. Replacing the stapler unit (1 of 2 60 Figure 4. Replacing the stapler unit (2 of 2 61 Figure 5. Loading staples in the staple cartridge (stapler/stacker only 62 Figure 6. DC controller PCA block diagram 69 Figure 7. Power supply block diagram 71 Figure 8. Fuser components 71 Figure 9. Fuser over-temperature protection circuit block diagram 72 Figure 10. High-voltage circuit block diagram 73 Figure 11. Low-voltage circuit block diagram 74 Figure 12. Laser/scanner assembly 76 Figure 13. Laser control circuit block diagram 77 Figure 14. Printer paper pickup and feed block diagram 78 Figure 15. Paper pickup/feed and fuser/delivery block diagram 79 Figure 16. Tray 1 timing diagrams 80 Figure 17. Tray 1 pickup 81 Figure 18. Tray 2 timing diagrams 82 Figure 19. Multiple feed prevention 84 Figure 20. Correcting skewed media pages 85 Figure 21. Paper pickup/feed and fuser/delivery block diagram 86 Figure 22. 500-sheet feeder I/O block diagram 90 Figure 23. 500-sheet feeder pickup and feed diagram 91 Figure 24. 1,500-sheet feeder I/O block diagram 92 Figure 25. 1,500-sheet feeder pickup and feed diagram 93 Figure 26. 1,500-sheet feeder lifting mechanism 94 Figure 27. Envelope feeder I/O block diagram 95 Figure 28. Envelope feeder pickup and feed diagram 96 Figure 29. Duplexer I/O block diagram 98 Figure 30. Duplexer pickup and reversing diagram 99 Figure 31. Stacker and stapler/stacker paper path 101 Figure 32. Power-on sequence for the stacker and stapler/stacker 102 Figure 33. Stacker driver PCA block diagram 103 Figure 34. Stacker feed delivery diagram 104 Figure 35. Stapler/stacker driver PCA block diagram 106 Figure 36. Stapler/stacker motors, solenoids, and sensors block diagram 108 Figure 37. Staple mode feed and delivery diagram (1 of 6 109 Figure 38. Staple mode feed and delivery diagram (2 of 6 110 Figure 39. Staple mode feed and delivery diagram (3 of 6 110 Figure 40. Staple mode feed and delivery diagram (4 of 6 111 Figure 41. Staple mode feed and delivery diagram (5 of 6 111 Figure 42. Staple mode feed and delivery diagram (6 of 6 112 Figure 43. Staple mode timing diagram 112 Figure 44. Stapler unit I/O block diagram 113 Figure 45. Stapler unit 114 Figure 46. Staple operation (1 of 3 114 Figure 47. Staple operation (2 of 3 115 Figure 48. Staple operation (3 of 3 115 Figure 49. Staple level detection 116 Figure 50. Image formation block diagram 119 Figure 51. Primary charging of the photosensitive drum 120 Figure 52. Writing the image to the photosensitive drum 121 Figure 53. Developing the image 122 List of figures ix