CHAPTER 3 THEORY OF OPERATION
3-23
Fig. 3-28
Laser
Main PCB
Engine
PCB
Polygon Motor
Laser Unit
Cover Sensor (A)
Main Motor
Solenoid
Fan Motor
Toner Sensor PCB (light emission)
Toner Sensor PCB (light reception)
Jam Sensor PCB
Thermistor (for Heat Roller)
Panel PCB
Low-Voltage
Power Supply
PCB
Fixing Unit
Halogen
Heater
Lamp
Front Registration
Sensor
Rear Registration
Sensor
Upper Paper
Cassette Sensor
(HL-1450/1470N)
Lower Paper
Cassette
Registration Sensor
(HL-1450/1470N)
High-
Voltage
Power
Supply
PCB
Drum Unit
Primary Charger (Corona Wire)
Primary Charger (Grid)
Supply Roller
Transfer Roller
Development Roller
Network
Board
(HL-1470N)
Cover Sensor (B)
Содержание HL-1470N
Страница 7: ...6 1 106 065 X 1WVGT JWVG 2 0 ...
Страница 59: ...CHAPTER 3 THEORY OF OPERATION 3 9 Fig 3 8 ...
Страница 61: ...CHAPTER 3 THEORY OF OPERATION 3 11 Two 32 Mbits ROMs x 16 bit are fitted Fig 3 11 HL 1470N ...
Страница 63: ...CHAPTER 3 THEORY OF OPERATION 3 13 Two 16M bit DRAMs x 16 bits are used as the RAM Fig 3 14 HL 1450 1470N ...
Страница 197: ... 26 4 6417 5 116 0 ...
Страница 220: ...Appendix 12 Main PCB Circuit Diagram HL 1230 1440 1 3 CODE LJ8812001 B512130 CIR 1 3 A XX NAME ...
Страница 221: ...Appendix 13 Main PCB Circuit Diagram HL 1230 1440 2 3 CODE LJ8812001 B512130 CIR 2 3 A XX NAME ...
Страница 222: ...Appendix 14 Main PCB Circuit Diagram HL 1230 1440 3 3 CODE LJ8812001 B512130 CIR 3 3 A XX NAME ...
Страница 223: ...Appendix 15 Engine PCB Circuit Diagram CODE LJ88009001 B512136 CIR A XX NAME ...
Страница 224: ...Appendix 16 Network Board Circuit Diagram HL 1470N CODE LJ8107000 B512058CIR A 29 NAME ...
Страница 227: ...CODE NAME Appendix 19 High voltage Power Supply PCB Circuit Diagram ZLe MPH3212 ...
Страница 238: ......
Страница 248: ...12 ACCESSORIES MODEL HL 1230 1440 1450 14700N 84U Z31 Z32 Z33 Z34 920 18 2 3 4 1 ...