Canon PIXUS iP8600, Service Manual

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2-2. Carriage Board (Print Head Connector)
No. Signal name Function Input / Output
1 to 3 B-VH Heater board B head drive power supply 23V OUT
4 B-DIA1 Diode sensor anode 2 IN
5 E-DI Head EEPROM data signal IN
6 E-DO Head EEPROM data signal OUT
7 E-SK Head EEPROM serial clock signal OUT
8 E-CS Head EEPROM chip select signal OUT
9 DATA0 EV Head data G even OUT
10 VDD Head logic drive power supply OUT
11 VHT Head drive power supply 23V OUT
12, 13 A-VH Heater board A head drive power supply 23V OUT
14 to 16 B-VH Heater board B head drive power supply 23V OUT
17 B-DIA 2 Diode sensor anode
18 DATA 8 OD Not used
19 DATA 7 EV Head data Y even OUT
20 DATA 6 OD Head data M odd OUT
21 DATA 2 EV Head data LM even OUT
22 A DIA 1 Diode sensor anode
23 VDD Head logic drive power supply OUT
24 to 26 A VH Heater board A head drive power supply 23V OUT
27 B-HE 3 Heater board B heat enable OUT
28 B-HE 2 Heater board B heat enable OUT
29 B-HE 1 Heater board B heat enable OUT
30 LT Transfer clock latch signal OUT
31 DATA 7 OD Head data Y odd OUT
32 DATA 8 EV Not used OUT
33 DATA 5 OD Head data C odd OUT
34 DATA 4 EV Head data LC even OUT
35 DATA0 OD G odd OUT
36 A-DIA 2 Diode sensor anode 1
37 A-HE 3 Heater board A heat enable OUT
38 A-HE 2 Heater board A heat enable OUT
39 A-HE 1 Heater board A heat enable OUT
40 to 42 B-GNDH Heater board B GND -
43 DIK Diode sensor cathode OUT
44 DATA 9 OD Not used OUT
45 DATA 5 EV Head data C even OUT
46 DATA 4 OD Head data LC odd OUT
47 DATA 1 EV R even OUT
48 DATA 2 OD Head data LM odd OUT
49 VSS Head logic drive power supply OUT
50 to 52 A-GNDH Heater board A GND -
53 to 55 B-GNDH Heater board B GND -
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