J3 (Carriage Ribbon Cable Connector) ↔ J1: Carriage BoardJ4 (Carriage Ribbon Cable Connector) ↔ J2: Carriage BoardJ5 (Carriage Ribbon Cable Connector) ↔ J3: Carriage BoardPart 4: Appendix S63004-6Pin No. Signal IN/OUT Function J1 Pin No.1 VHT OUT Power transistor driving power source (19 V) in theprint head2~6 B_VH OUT Color heater driving voltage (19 V) Same as7~11 A_VH OUT Black heater driving voltage (19 V) J312~16 B_GND ... GND (for color heater driving voltage) pin No.17~21 A_GND ... GND (for black heater driving voltage)Pin No. Signal IN/OUT Function J1 Pin No.1, 2, SUBH0 OUT Black secondary heater driving signal3, 7, 9, 1114, 16, 19 GND ... Logic ground4 H_ENB1 OUT Color nozzle heat enable signal(Even/odd array's odd block)5 H_ENB2 OUT Color nozzle heat enable signal(Even/odd array's even block)6 H_ENB0 OUT Black nozzle heat enable signal Same as8 H_LATCH OUT Data latch enable signal J410 H_CLK OUT Clock signal pin No.12 H_D0 OUT Black even array nozzle data signal13 H_D1 OUT Black odd array nozzle data signal15 ENCA IN Carriage encoder signal17 ENCB IN Carriage encoder signal18 VSEN OUT Carriage encoder sensor power source20 DIA0 IN Head temperature sensor's (diode) anode side (black)21 DIK0 ... Head temperature sensor's (diode) cathode side (black)Pin No. Signal IN/OUT Function J1 Pin No.1, 2 SUBHO OUT Color secondary heater driving signal3, 7, 11,19 GND ... Logic ground4 H_D2 OUT Cyan even array nozzle data signal5 H_D3 OUT Cyan odd array nozzle data signal6 H_D4 OUT Magenta even array nozzle data signal8 H_D5 OUT Magenta odd array nozzle data signal Same as9 H_D6 OUT Yellow even array nozzle data signal J510 H_D7 OUT Yellow odd array nozzle data signal pin No.12 H_EEPROM_CS OUT EEPROM chip select signal in the print head13 H_EEPROM_SK OUT EEPROM serial data clock signal in the print head14 H_EEPROM_D OUT EEPROM serial data signal in the print head15~18 HVDD OUT Logic power source in the print head20 DIA1 IN Head temperature sensor's (diode) anode side (color)21 DIK1 ... Head temperature sensor's (diode) cathode side (color)