Chapter 6
6-74
T-6-121
8 H1-A-HE-0 IN Head L heat enable signal 0(A)
9 GND - GND
10 H1-A-DATA-0-EV IN Even head L data signal 0(A)
11 GND - GND
12 H1-A-HE-1 IN Head L heat enable signal 1(A)
13 GND - GND
14 H1-A-DATA-1-EV IN Even head L data signal 1(A)
15 GND - GND
16 H1-B-DATA-2-EV IN Even head L data signal 2(B)
17 GND - GND
18 H1-B-DATA-3-EV IN Even head L data signal 3(B)
19 GND - GND
20 H1-C-DATA-4-EV IN Even head L data signal 4(C)
21 GND - GND
22 H1-B-HE-3 IN Head L heat enable signal 3(B)
23 GND - GND
24 H1-C-DATA-5-EV IN Even head L data signal 5(C)
25 H-DASH_LICC2_B IN Analogue switch A/D triggar signal
26 H1_LT IN Head L latch signal
27 GND - GND
28 HEAD_3V IN Power supply (+3V)
29 GND - GND
30 H1_CLK IN Head L clock signal
31 GND - GND
32 H1-C-DATA-5-OD IN Odd head L data signal 5(C)
33 GND - GND
34 H1-C-HE-5 IN Head L heat enable signal 5(C)
35 GND - GND
36 H1-D-HE-6 IN Head L heat enable signal 6(D)
37 GND - GND
38 IO-ASIC_SCL IN/OUT Head ROM control signal (clock)
39 GND - GND
40 H1-D-DATA-6-OD IN Odd head L data signal 6(D)
41 GND - GND
42 H1-D-DATA-6-EV IN Even head L data signal 6(D)
43 GND - GND
44 H1-D-DATA-7-EV IN Even head L data signal 7(D)
45 GND - GND
46 IO-ASIC_SDA IN/OUT Head ROM control signal (data)
47 GND - GND
48 H1-D-HE-7 IN Head L heat enable signal 7(D)
49 GND - GND
50 H1-E-DATA-8-EV IN Even head L data signal 8(E)
J24 (Head L)
Pin Number Signal name IN/OUT Function
1 VH OUT Power supply (+21.5V)
2 VH OUT Power supply (+21.5V)
3 VH OUT Power supply (+21.5V)
4 VHT2 OUT Head L transistor drive power supply
5 H1-F-DATA-10-EV OUT Even head L data signal 10(F)
6 EEPROM_SDA IN/OUT EEPROM control signal (data)
7 EEPROM_SCL OUT EEPROM control signal (clock)
8 HEAD_3V OUT Power supply (+3V)
9 H1-C-DIA1 IN Heal L DI sensor signal 1(C)
10 H1-A-HE-1 OUT Head L heat enable signal 1(A)
11 VH OUT Power supply (+21.5V)
12 VH OUT Power supply (+21.5V)
13 VH OUT Power supply (+21.5V)
J23 (Connect to Main controller PCB J3801)
Pin Number Signal name IN/OUT Function