Canon iPF671 - Page 111

Chapter 2
2-43
T-2-24
T-2-25
T-2-26
71 GND - GND
72 H1_CLK OUT Head data clock signal
73 /H1_LT OUT Head data latch signal
74 H1-B-DATA-2-EV OUT Even head data signal 2(B)
75 H1-A-DATA-0-OD OUT Odd head data signal 0(A)
76 GND - GND
77 GND - GND
78 GND - GND
J201 (Connect to Carriage PCB J3401)
Pin Number Signal name IN/OUT Function
1 VHGND - GND
2 VHGND - GND
3 VHGND - GND
4 VHGND - GND
5 VH IN Power supply (+21.5V)
6 VH IN Power supply (+21.5V)
7 VH IN Power supply (+21.5V)
8 VH IN Power supply (+21.5V)
9 VH IN Power supply (+21.5V)
10 VH IN Power supply (+21.5V)
11 VH IN Power supply (+21.5V)
12 VH IN Power supply (+21.5V)
13 +24V_HV_SW IN Power supply (+24V)
14 SNS5V IN Power supply (+5V)
15 GND - GND
16 +3.3V_H1 IN Power supply (+3.3V)
17 +3.3V_H1 IN Power supply (+3.3V)
18 VH_SW1_ON IN VH control signal
19 21V_H1_VHT IN Power supply (+21V)
20 +5V_VM_IC IN Power supply (+5V)
21 GND - GND
22 VHGND - GND
23 VHGND - GND
24 VHGND - GND
25 VHGND - GND
J202 (Linear encoder sensor)
Pin Number Signal name IN/OUT Function
1 ENCODER_B IN Carriage encoder output signal B
2 GND - GND
3 ENCODER_A IN Carriage encoder output signal A
4 SNS5V OUT Power supply (+5V)
J501 (Multi sensor)
Pin Number Signal name IN/OUT Function
1 SNS3.3V OUT Power supply (+3.3V)
2 GND - GND
3 IO-ASIC_SCL IN/OUT Head ROM control signal (clock)
4 IO-ASIC_SDA IN/OUT Head ROM control signal (data)
5 GAP_SNS1 IN Multi sensor head height (GAP) detection signal 1
6 GAP_SNS2 IN Multi sensor head height (GAP) detection signal 2
7 COLOR_SNS IN Multi sensor density detection signal
8 EDGE_SNS IN Multi sensor paper edge detection signal
9 GND - GND
10 SNS5V OUT Power supply (+5V)
11 THERMISTOR - N.C
12 GND - GND
J103 (Printhead)
Pin Number Signal name IN/OUT Function