HP Color LaserJet 8500 Service Manual - Page 10

Figure 37. Figure 38. Figure 39. Figure 40. Figure 41. Figure 42. Figure 43. Figure 44. Figure 45. Figure 46. Figure 47. Figure 48. Figure 49. Figure 50. Figure 51. Figure 52. Figure 53. Figure 54. Figure 55. Figure 56. Figure 57. Figure 58. Figure 59. Figure 60. Figure 61. Figure 62. Figure 63. Figure 64. Figure 65. Figure 66. Figure 67. Figure 68. Figure 69. Figure 70. Figure 71. Figure 72. Figure 73. Figure 74. Waste toner level detection 155 Color toner level detection 157 Color toner lever detection 158 Density sensor 160 Transfer belt control 161 Cleaning roller control 162 Carousel control 163 Power distribution circuit diagram 164 Power Save circuit diagram 165 High-voltage power supply circuit 168 Laser/scanner 170 Printer motors and heaters 171 Carousel motor (M1 172 Drum motor (M2 173 Cartridge motor (M3 174 Main motor (M4 175 Pick-up motor (M5 176 Paper path 178 Tray 2 and 3 pick-up 181 Tray 1 pick-up 183 Printer sensors 184 Printer switches 186 Printer clutches and solenoids 189 Fusing and delivery unit 191 Timing chart for WAIT period (1 of 2 193 Timing chart for WAIT period (2 of 2 194 Timing chart, printing full-color letter-sized page (1 of 2 195 Timing chart, printing full-color letter-sized page (2 of 2 196 Timing chart, printing full-color 11-by-17-inch page (1 of 2 197 Timing chart, printing full-color 11-by-17 inch page (2 of 2) 198 2,000-sheet input unit sensors, switches, clutches, and motors 200 2,000-sheet input unit paper path 204 Multi-bin mailbox cabling 207 Multi-bin mailbox sensors 208 Multi-bin mailbox paper path 210 C-link cabling 212 Stapler/stacker paper path and sensors 215 Stacker paper path and sensors 216 8 List of Figures EN