J303 (Print Head 3/3 [Carriage Unit])
J501 (LF Encoder)
No. Signal name Function
Input /
Output
1 AB_PWR Ink tank sensor chip power supply OUT
2 AB_DATA Ink tank sensor data power supply BUS
3 AB_PWR Ink tank sensor chip power supply OUT
4 AB_CLK
Ink tank sensor data transfer clock signal
BUS
5 THERMO Carriage temperature sensor signal IN
6 H_ENB2 Head heat enable signal 2 OUT
7 HD9_Y2 Head data (Y2) OUT
8 HD13_C2 Head data (C2) OUT
9 HD11_M2 Head data (M2) OUT
10 HD12_SC2 Head data (SC2) OUT
11 HD10_SM2 Head data (SM2) OUT
12 ROM_DIO Head EEPROM input - output data IN/OUT
13 SGND System ground -
14 H_CLK
Head data transfer clock signal
OUT
15 SGND System ground -
16 ROM_SK Head EEPROM serial clock signal OUT
17 HLAT Head data latch signal OUT
18 HD8_Y1 Head data (Y1) OUT
19 ROM_CS Head EEPROM chip select signal OUT
20 HENB1 Head heat enable signal1 OUT
21 HENB3 Head heat enable signal 3 OUT
22 HD2_C1 Head data (C1) OUT
23 HENB0 Head heat enable signal0 OUT
24 HD0_K1 Head data (BK1) OUT
25 HD4_M1 Head data (M1) OUT
26 HD1_K2 Head data (BK2) OUT
27 HD5_SM1 Head data (SM1) OUT
28 HD3_SC1 Head data (SC1) OUT
No. Signal name Function
Input /
Output
1 GND Ground -
2 ENCA LF encoder phase A IN
3 VSEN Sensor power supply +3.3V OUT
4 ENCB LF encoder phase B IN
