Figure 6-28. Removing the right-side handle (2 of 2).........................................................107 Figure 6-29. Removing the ECU (1 of 6)............................................................................108 Figure 6-30. Removing the ECU (2 of 6)............................................................................109 Figure 6-31. Removing the ECU (3 of 6)............................................................................110 Figure 6-32. Removing the ECU (4 of 6)............................................................................111 Figure 6-33.
Removing the ECU (5 of 6)............................................................................112 Figure 6-34. Removing the ECU (6 of 6)............................................................................113 Figure 6-35. Removing the access plate............................................................................114 Figure 6-36. Removing the power supply (1 of 5)..............................................................115 Figure 6-37. Removing the power supply (2 of 5)..............................................................116 Figure 6-38. Removing the power supply (3 of 5)..............................................................117 Figure 6-39.
Removing the power supply (4 of 5)..............................................................118 Figure 6-40. Removing the power supply (5 of 5)..............................................................119 Figure 6-41. Removing the gear assembly (1 of 6)............................................................120 Figure 6-42. Removing the gear assembly (2 of 6)............................................................121 Figure 6-43. Removing the gear assembly (3 of 6)............................................................122 Figure 6-44. Reinstalling the gear assembly......................................................................123 Figure 6-45.
Removing the tray 1 solenoid........................................................................124 Figure 6-46. Removing the tray 2 solenoid........................................................................125 Figure 6-47. Removing the e-label reader (1 of 2).............................................................126 Figure 6-48. Removing the e-label reader (2 of 2).............................................................127 Figure 6-49. Removing the face-down-roller shaft (1 of 2).................................................128 Figure 6-50. Removing the face-down-roller shaft (2 of 2).................................................129 Figure 6-51.
Removing the cartridge door (1 of 3).............................................................130 Figure 6-52. Removing the cartridge door (2 of 3).............................................................131 Figure 6-53. Removing the cartridge door (3 of 3).............................................................132 Figure 6-54. Removing the transfer roller...........................................................................133 Figure 6-55. Removing the registration assembly (1 of 3).................................................134 Figure 6-56. Removing the registration assembly (2 of 3).................................................135 Figure 6-57.
Removing the registration assembly (3 of 3).................................................136 Figure 6-58. Removing the tray 1 pickup roller..................................................................137 Figure 6-59. Removing the tray 2 pickup roller (1 of 2)......................................................138 Figure 6-60. Removing the tray 2 pickup roller (2 of 2)......................................................139 Figure 6-61. Removing the separation pad........................................................................140 Figure 7-1. Basic troubleshooting.....................................................................................143 Figure 7-2.
Sample menu map page................................................................................151 Figure 7-3. Sample configuration page............................................................................152 Figure 7-4. Supplies status page......................................................................................153 Figure 7-5. Jetdirect page.................................................................................................168 Figure 7-6. Main assemblies, HP LaserJet 2400 series...................................................222 Figure 7-7. Main parts, HP LaserJet 2400 series.............................................................223 Figure 7-8.
Sensors and switches, HP LaserJet 2400 series..........................................224 Figure 7-9. Motors, fans, and solenoids, HP LaserJet 2400 series.................................225 Figure 7-10. PCAs, HP LaserJet 2400 series....................................................................226 Figure 7-11. 500-Sheet paper feeder, HP LaserJet 2400 series.......................................227 Figure 7-12. Circuit diagram (1 of 2)...................................................................................228 Figure 7-13. Circuit diagram (2 of 2)...................................................................................229 Figure 7-14.
ECU wiring.....................................................................................................230 Figure 7-15. Timing diagram, HP LaserJet 2400 series.....................................................231 Figure 8-1. Covers............................................................................................................238 Figure 8-2. Internal components (1 of 4)..........................................................................240 Figure 8-3. Internal components (2 of 4)..........................................................................244 Figure 8-4.
Internal components (3 of 4)..........................................................................248 Figure 8-5. Internal components (4 of 4)..........................................................................250 Figure 8-6. Tray 2 pickup assembly.................................................................................254 xii ENWW