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2-2. Carriage Board (Print Head Connector)
No.
Signal name Function Input / Output
1, 2
A_GNDH
Head GND
-
3
HD2_C1
Head data C1 OUT
4 HD8_Y1 Head data Y1 OUT
5 VSS Logic GND -
6
HD6_PBK1
Head data PBK1 OUT
7, 8
B_GNDH
Head GND
-
9
HD3_SC1
Head data SC1 OUT
10 HD5_SM1 Head data SM1 OUT
11
HD4_M1
Head data M1 OUT
12
HENB1
Head heat enable signal 1 OUT
13
HD10_SM2
Head data SM2 OUT
14 VSS Logic GND -
15 HD11_M2 Head data M2 OUT
16
DIK
Diode sensor cathode IN
17
HD0_K1
Head data BK1 OUT
18
HENB0
Head heat enable signal 0 OUT
19 HENB3 Head heat enable signal 3 OUT
20 HLAT Head data latch signal OUT
21
HD12_SC2
Head data SC2 OUT
22
HD7_PBK2
Head data PBK2 OUT
23
HD9_Y2
Head data Y2 OUT
24 HENB2 Head heat enable signal 2 OUT
25
HD1_K2
Head data BK2 OUT
26
DIA0
Diode sensor anode 0 IN
27 HVDD_3.3V Head logic power supply 3.3V OUT
28
ROM_CS
Head EEPROM chip select signal OUT
29
HCLK
Head clock signal OUT
30 ROM_DIO (O) Head EEPROM data signal IN
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