List of figures Figure 1-1 Product systems ................................................................................................................................................. 2 Figure 1-2 Engine control system components ................................................................................................................... 6 Figure 1-3 DC controller circuit diagram .............................................................................................................................. 7 Figure 1-4 Low-voltage power supply .................................................................................................................................
8 Figure 1-5 High-voltage power supply ................................................................................................................................ 9 Figure 1-6 Image-formation system .................................................................................................................................. 12 Figure 1-7 Image-formation process ................................................................................................................................. 13 Figure 1-8 Primary charging ...............................................................................................................................................
14 Figure 1-9 Laser-beam exposure ....................................................................................................................................... 14 Figure 1-10 Development .................................................................................................................................................. 15 Figure 1-11 Primary transfer ............................................................................................................................................. 16 Figure 1-12 Secondary transfer .........................................................................................................................................
16 Figure 1-13 Separation from the drum .............................................................................................................................. 17 Figure 1-14 Fusing .............................................................................................................................................................. 17 Figure 1-15 Drum cleaning ................................................................................................................................................. 18 Figure 1-16 ITB cleaning mechanism .................................................................................................................................
18 Figure 1-17 Pickup, feed, and delivery system block diagram ......................................................................................... 20 Figure 1-18 Photo sensors and switches ........................................................................................................................... 21 Figure 1-19 Document feeder paper path and document feeder sensors ........................................................................ 25 Figure 2-1 Plug/jack locations ...........................................................................................................................................
38 Figure 2-2 Locations of connectors ................................................................................................................................... 39 Figure 2-3 Cross section view ............................................................................................................................................. 41 Figure 2-4 External covers and doors (base) ..................................................................................................................... 42 Figure 2-5 General timing diagram ....................................................................................................................................
43 Figure 2-6 General circuit diagram ..................................................................................................................................... 44 ENWW xv