Figure 1-1 Relationship between the main product systems ......................................................................... | 2 |
Figure 1-2 Engine control system ............................................................................................................. | 4 |
Figure 1-3 DC controller block diagram ................................................................................................... | 5 |
Figure 1-4 High voltage power supply circuits ........................................................................................ | 10 |
Figure 1-5 Low voltage power-supply circuit ........................................................................................... | 12 |
Figure 1-6 Fuser components ................................................................................................................ | 15 |
Figure 1-7 Fuser temperature control circuit ............................................................................................ | 16 |
Figure 1-8 Laser/scanner system ........................................................................................................... | 19 |
Figure 1-9 Image formation system ........................................................................................................ | 21 |
Figure 1-10 Image formation process .................................................................................................... | 22 |
Figure 1-11 Pre-exposure ..................................................................................................................... | 23 |
Figure 1-12 Primary charging ............................................................................................................... | 23 |
Figure 1-13 Laser-beam exposure ......................................................................................................... | 24 |
Figure 1-14 Development ..................................................................................................................... | 24 |
Figure 1-15 Primary transfer ................................................................................................................. | 25 |
Figure 1-16 Secondary transfer ............................................................................................................ | 25 |
Figure 1-17 Separation ....................................................................................................................... | 26 |
Figure 1-18 Fusing .............................................................................................................................. | 26 |
Figure 1-19 ITB cleaning ...................................................................................................................... | 27 |
Figure 1-20 Drum cleaning .................................................................................................................. | 27 |
Figure 1-21 Print-cartridge system ......................................................................................................... | 28 |
Figure 1-22 Developing-roller engagement and disengagement control ..................................................... | 29 |
Figure 1-23 ITB unit ............................................................................................................................. | 31 |
Figure 1-24 Three states of primary-transfer-roller engagement and disengagement ..................................... | 33 |
Figure 1-25 ITB cleaning process .......................................................................................................... | 35 |
Figure 1-26 Toner patterns for calibration .............................................................................................. | 36 |
Figure 1-27 Switches and sensors for the pickup, feed, and delivery system (1 of 2) ................................... | 38 |
Figure 1-28 Switches and sensors for the pickup, feed, and delivery system (2 of 2) ................................... | 39 |
Figure 1-29 Motors and solenoids for the pickup, feed, and delivery system .............................................. | 40 |
Figure 1-30 Three main units of the pickup, feed, and delivery system ....................................................... | 41 |
Figure 1-31 Pick feed mechanism ......................................................................................................... | 42 |
Figure 1-32 Cassette-pickup mechanism ................................................................................................ | 43 |
ENWW | xxv |
