Canon IP4200, QY8-13A9-000 service manual CN202 Print head 2/2 Carriage unit

21	H_EEPROM_SK	Head EEPROM serial clock signal	OUT
22	H_D10	Head data (SM2)	OUT
23	LOGIC_GND	Logic GND	-
24	H_CLK	Head data transfer clock signal	OUT
25	H_EEPROM_DIO	Head EEPROM data signal	OUT
26	H_D12	Head data (SC2)	OUT
27	H_D6	Head data (PBK1)	OUT
28	LOGIC_GND	Logic GND	-
29	CR_ENCB	CR encoder phase B	IN
30	LOGIC_GND	Logic GND	-
31	CR_ENCA	CR encoder phase A	IN
32	LOGIC GND	Logic GND	-
33	DIA1	Diode sensor anode 1	IN
34	LOGIC GND	Logic GND	-
35	H_D7	Head data (PBK2)	OUT
36	H_D11	Head data (M2)	OUT
37	H_D9	Head data (Y2)	OUT
38	H_D13	Head data (C2)	OUT
39	SNS_CDR_P	CDR position sensor signal	IN
40	THERMO	CR temperature sensor signal	IN
41	DIK	DIK (Logic GND)	-
42	H_ENB2	Head heat enable signal 2 (Col-2)	OUT
43	VSEN_CDRS	Power supply for CDR sensor	OUT
44	VSEN_3.3V	Power supply for sensor 3.3V	OUT
45	LOGIC GND	Logic GND	-

CN202 (Print head 2/2 [Carriage unit])

No.	Signal name	Function	Input / Output
1 to 3	H_GND	Head GND	-
4 to 6	HVH_24V	Head drive power supply 24V	OUT
7 to 10	H_GND	Head GND	-
11to	HVH_16V	Head drive power supply 16V	OUT
12
13 to	HVH_24V	Head drive power supply 24V	OUT
16
17	LOGIC_GND	Logic GND	-
18	HVDD_3.3V	Head logic drive power supply 3.3V	OUT
19	LOGIC_GND	Logic GND	-
20	HVDD_3.3V	Head logic drive power supply 3.3V	OUT

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