HP M5025 Service Manual - Page 573
DC controller input/output signals 3 of 5 engine, Diagrams
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Connector Pin Abbreviation I/O Logic Signal name 3 /MMDEC O L MAIN MOTOR DECELERATION signal 4 /MMFGI I Pulse MAIN MOTOR SPEED DETECTION signal 5 +24V J316 1 +24V 2 MPTSL O H MPT PICK-UP SOLENOID DRIVE signal J317 1 SNS3.3 2 GND 3 LCSTS I H LOWER CASSETTE PAPER DETECTION signal J318 1 PRIACVDS I Analog PRIMARY CHARGING AC FEEDBACK signal 2 PRIACVPS I Analog PRIMARY CHARGING AC FEEDBACK signal 3 DEVDCCNT O PWM DEVELOPING DC BIAS CONTROL signal 4 PRIACCLK O Pulse PRIMARY CHARGING AC BIAS CLOCK signal 5 PRIDCCNT O PWM PRIMARY CHARGING DC BIAS CONTROL signal 6 DEVACCLK O Pulse DEVELOPING AC BIAS CLOCK signal 7 PRIACCNT O PWM PRIMARY CHARGING AC BIAS CONTROL signal 8 /DEVACD O L DEVELOPING AC BIAS DRIVE signal 9 FSRTH4 I Analog SUB THERMISTOR 3 TEMPERATURE signal 10 TONS1 I Analog TONER LEVEL signal 11 FSRTH3 I Analog SUB THERMISTOR 2 TEMPERATURE signal 12 TONS2 I Analog TONER LEVEL signal 13 FSRTH2 I Analog SUB THERMISTOR 1 TEMPERATURE signal 14 FSRD2 O H SUB HEATER DRIVE signal 15 FSRTH1 I Analog MAIN THERMISTOR TEMPERATURE signal 16 MTRSTOP O H FIXING MOTOR DRIVE DETECTION signal 17 FSRJAMS I H FIXING DELIVERY DETECTION signal 18 FSRD1 O H MAIN HEATER DRIVE signal 19 FSRTHLOW O H THERMISTOR SENSITIVITY SWITCH signal 20 FSRCRST O H FIXING HEATER CURRENT CIRCUIT RESET signal 21 PGND J319 1 +24VR 2 +24VR 3 +24VR 4 +24VR 5 PGND 6 PGND 7 PGND 8 PGND 9 +3.3V 10 +3.3V 11 +5V 12 FSRCS I Analog FIXING HEATER CURRENT DETECTION signal 13 /LOOPS I L/H PAPER LOOP signal (Large loop: L/Small loop: H) 14 FSROVCS I H OVERCURRENT DETECTION signal 15 /DISCHBUP O L ELECTROSTATIC ELIMINATOR BIAS SWITCH signal 16 /TOPS I L TOP OF PAGE signal 17 /DISCHBD O L ELECTROSTATIC ELIMINATOR BIAS DRIVE signal 18 RLD O L RELAY DRIVE signal 19 HVTCLK O Pulse HIGH-VOLTAGE POWER SUPPLY CONTROL signal Figure 6-21 DC controller input/output signals (3 of 5) (engine) ENWW Diagrams 543