CHAPTER 3 THEORY OF OPERATION
3-3
Fig. 3-3 shows a general block diagram of the HL-1470N printer.
Optional RAM (SIMM)
(max. 32Mbytes)
Ethernet
10/100 Base TX
Expansion
memory I/O
PCI bus
Video control block
Engine control block
Operation block
(Control panel)
Control system
Low-voltage power
supply block
High-voltage power
supply block
Laser unit
Drive block
(DC motor)
Drum unit
Transfer block
Drum
Charging
block
External device
External device
Paper tray unit
Paper cassette
Manual feed
Fixing unit
Paper eject block
Paper feed system
Image generation system
Interface block
(Parallel / USB)
RAM 4MB
Paper dust
cleaner block
Developing
block
Toner cartridge
Network board
Fig. 3-3
HL-1470N
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 ...