Chapter 66-49T-6-72T-6-73T-6-74T-6-75J2512 (Suction fan, Maintenance cartridge relay PCB, Paper detection sensor, Lift cam sensor)Pin Number Signal name IN/OUT Function1 FAN_VM OUT Power supply (+26V)2 PLATEN_FAN_LOCK IN Suction fan lock signal3 PLATEN_FAN_SPEED OUT Suction fan duty control signal4 GND - GND5 MENT_SDA IN/OUT Maintenance cartridge rom control signal (data)6 MENT_SCL IN/OUT Maintenance cartridge rom control signal (clock)7 GND - GND8 MENT_3V OUT Power supply (+3.3V)9 - -10 SNS_3V OUT Power supply (+3.3V)11 GND - GND12 PE_SNS IN Paper ditection sensor output signal13 SNS_3V OUT Power supply (+3.3V)14 GND - GND15 LIFT_CAM_SNS IN Lift cam sensor output signalJ2601 (Connect to Operation panel)Pin Number Signal name IN/OUT Function1 POWER_ON IN Power switch signal2 PM_START OUT Power supply (+5V)3 BUZZER OUT Buzzer control signal4 PDODATA OUT Panel IC control signal5 +3.3V OUT Power supply (+3.3V)6 PDI_DATA IN Panel IC data signal7 GND - GND8 /PANEL RESET OUT Panel IC reset signal9 GND - GND10 PDOPCLK OUT Panel IC clock signal11 SNS_5V OUT Power supply (+5V)12 /PDOCS_L OUT Panel IC chip select signalJ2703 (Auto feed roll unit)Pin Number Signal name IN/OUT Function1 OPT_5V OUT Power supply (+5V)2 GND - GND3 ROLL_CAM_SNS IN Roll cam sensor signal4 ROLL_PAPER_SNS IN Roll media sensor signal5 ROLL_UNIT IN Roll unit detection signal6 VM OUT Power supply (+26V)7 VM OUT Power supply (+26V)8 /ROLL_SLEEP OUT Roll motor driver sleep signal9 ROLL_STB OUT Roll motor driver strobe signal10 ROLL_DAT OUT Roll motor driver data signal11 ROLL_CLK OUT Roll motor driver clock signal12 GND - GND13 GND - GNDJ2801 (Feed motor)Pin Number Signal name IN/OUT Function1 LF_OUTB OUT Feed motor drive signal B2 LF_OUTA OUT Feed motor drive signal A