Chapter 2
2-21
F-2-27
2.7.2 Engine Controller
2.7.2.1 Outline
0018-3148
LBP3370
The engine controller circuit controls the operational sequences of the printer. It consists of the memory tag circuit, the fixing control circuit, the high-voltage power
supply circuit, the low-voltage power supply circuit, and the fan motor drive circuit,
The block diagram of this circuit is illustrated below and each circuit is described in the following.
IC1
SDRAM
Retains image data.
IC2
IC3
IC4
IC9
EEPROM
EEPROM for storage of various parameters
IC16
Flash ROM
ROM for storage of programs
IC1009
ASIC
system control
IC1010
CPU
system control
IC1088
EEPROM
EEPROM for MAC address
IC3004
Reset IC
system reset
IC1060
IC1
J10
J3
J6
J4
J1
J7
IC2
IC1010
IC1009
IC1100
IC1088
IC3004
IC1060
IC16
IC3
IC4
IC9
Содержание LBP3310
Страница 1: ...Jan 25 2008 Service Manual LBP3310 3370 Series ...
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Страница 12: ...Contents ...
Страница 13: ...Chapter 1 PRODUCT DESCRIPTION ...
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Страница 24: ...Chapter 1 1 8 Off The printer cannot print ...
Страница 25: ...Chapter 2 TECHNICAL REFERENCE ...
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Страница 55: ...Chapter 3 DISASSEMBLY AND ASSEMBLY ...
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Страница 87: ...Chapter 5 TROUBLESHOOTING ...
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Страница 105: ...Chapter 6 APPENDIX ...
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Страница 112: ...Chapter 6 6 4 2 Duplexing driver PCB 3 Engine controller PCB 4 Video controller PCB 5 USB conector PCB ...
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