Brother HL-4000CN - Chapter VI Diagrams; Preface; Explanations of Symbols; Signal Name

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CHAPTER VI DIAGRAMS..............................................................VI-1
1.PREFACE ......................................................................................................VI-1
1.1 How to Use the BSD............................................................................................................ VI-1
1.2 Explanations of Symbols .....................................................................................................VI-1
1.3 Signal Name........................................................................................................................ VI-4
1.4 DC Voltage .......................................................................................................................... VI-4
1.5 Input/Output Test................................................................................................................. VI-4
2. BSD (BLOCK SCHEMATIC DIAGRAM)
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2.1 Standby Power
2.1.1 AC power on and DC distribution.............................................................................. VI-5
2.1.2 Monitoring.................................................................................................................. VI-6
2.2 Mode Selection
2.2.1 Control panel.............................................................................................................VI-7
2.3 Machine Run Control
2.3.1 Machine self test ....................................................................................................... VI-8
2.3.2 CRUM and billing ...................................................................................................... VI-9
2.3.3 Monitoring................................................................................................................VI-10
2.4 Start Print Power
2.4.1 Main drive control.................................................................................................... VI-11
2.5 OPTICS (Scanner)
2.5.1 Laser scanning image and control .......................................................................... VI-12
2.5.2 Monitoring................................................................................................................VI-13
2.6 Paper Supplying
2.6.1 Tray1 paper stacking............................................................................................... VI-14
2.6.2 Tray2 paper stacking............................................................................................... VI-15
2.6.3 Tray3 paper stacking............................................................................................... VI-16
2.6.4 Monitoring................................................................................................................VI-17
2.7 Paper Transportation
2.7.1 Tray1 paper feeding................................................................................................ VI-18
2.7.2 MSI paper feeding................................................................................................... VI-19
2.7.3 Tray2 paper feeding................................................................................................ VI-20
2.7.4 Tray3 paper feeding................................................................................................ VI-21
2.7.5 Feeder drive control ................................................................................................ VI-22
2.7.6 Registration............................................................................................................. VI-23
2.7.7 Monitoring................................................................................................................VI-24
2.8 XEROGRAPHICS
2.8.1 Charging and exposure........................................................................................... VI-25
2.8.2 Development........................................................................................................... VI-26
2.8.3 Toner cartridge set.................................................................................................. VI-27
2.8.4 Toner dispense control............................................................................................ VI-28
2.8.5 Low toner sensing................................................................................................... VI-29