Brother International HL-3400CN Service Manual - Page 115
Brother International HL-3400CN - Color Laser Printer Manual
UPC - 012502526223
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CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS (3) Connector Pin Assignment BCN1 MoLex: 53313-1815 Pin # Signal Name Interface 1 +24V-1 +24V-1 3 FUCHK Sensor Signal of Fuser Unit Installation 5 ACVON-N AC Output ON Signal 7 CHVON-ON CHV Output ON Signal 9 CBVPWM-N CBV PCB Control Signal 11 DBVYMPWM- DBV PCB Control Signal N 13 DBVCKPWM- CBV PCB Control Signal N 15 FCBVPWM-N FCBV PCB Control Signal 17 NC NC BCN2 MoLex: 53324-0410 Pin # Signal Name 1 TH1 2 TH2 3 FUCHK 4 FUCHKGND Interface Thermistor1 Thermistor2 Fuser Check GND Pin # Signal Name 2 PGND 4 PGND 6 PWMON-N 8 CHVERR 10 THVRON-N 12 THVPWM-N Interface PGND PGND PCB Control ON Signal CHV ERROR Sensor Signal THV ON Signal THV PCB Control ON Signal 14 THV-I Transfer Voltage Select Signal 16 TH1 18 TH2 Thermistor Temperature Sensor Signal Thermistor Temperature Sensor Signal