Canon iPF671 Service Manual page 103

J3202 (Ink supply valve open/closed detection sensor (R), Air passage valve open/closed detection sensor (R), valve motor (R), Ink tank ROM PCB (R))
Pin Number Signal name
2 GND
3 SUPPLY_BEN_R_SNS*
4 SNS3V_FU1
5 GND
6 TAIKI_BEN_R_SNS*
7 INKBEN_R_OUTB
8 INKBEN_R_OUTA
9 TANK_DAT3
10 TANK_DAT4
11 TANK_3V
12 TANK_DAT5
13 GND
14 TANK_CLK
J3301 (Ink detection sensor (L), Ink tank cover switch (L))
Pin Number Signal name
1 GND
2 INK_SNS0
3 INK_SNS1
4 INK_SNS2
5 INK_SNS6
6 INK_SNS7
7 INK_SNS8
8 TANK_COVER_SW_L*
9 GND
J3302 (Ink supply valve open/closed detection sensor (L), Air passage valve open/closed detection sensor (L), Valve motor (L), Ink tank ROM PCB (L))
Pin Number Signal name
1 SNS3V_FU1
2 GND
3 SUPPLY_BEN_L_SNS*
4 SNS3V_FU1
5 GND
6 TAIKI_BEN_L_SNS*
7 INKBEN_L_OUTB
8 INKBEN_L_OUTA
9 TANK_DAT3
10 TANK_DAT4
11 TANK_3V
12 TANK_DAT5
13 GND
14 TANK_CLK
15 N.C.
J3303 (Connect to Maintenance cartridge relay PCB)
Pin Number Signal name
1 MENT_ROM_SDA
2 MENT_ROM_SCL
3 GND
4 TANK_3V
J3401 (Connect to Carriage PCB J201)
Pin Number Signal name
1 VHGND
2 VHGND
3 VHGND
4 VHGND
5 VH_MONI1
6 VH
IN/OUT
- GND
IN Ink supply valve open/closed detection sensor (R) output signal
OUT Power supply (+3.3V)
- GND
OUT Air passage valve open/closed detection sensor (R) output signal
OUT Valve motor (R) drive signal B
OUT Valve motor (R) drive signal A
IN/OUT Ink tank data signal 3
IN/OUT Ink tank data signal 4
OUT Power supply (+3.3V)
IN/OUT Ink tank data signal 5
- GND
OUT Ink tank clock signal
T-2-10
IN/OUT
- GND
IN Ink detection sensor output signal 0
IN Ink detection sensor output signal 1
IN Ink detection sensor output signal 2
IN Ink detection sensor output signal 6
IN Ink detection sensor output signal 7
IN Ink detection sensor output signal 8
IN Ink tank cover switch (L) output signal
- GND
T-2-11
IN/OUT
OUT Power supply (+3.3V)
- GND
IN Ink supply valve open/closed detection sensor (L) output signal
OUT Power supply (+3.3V)
- GND
OUT Air passage valve open/closed detection sensor (L) output signal
OUT Valve motor (L) drive signal B
OUT Valve motor (L) drive signal A
IN/OUT Ink tank data signal 3
IN/OUT Ink tank data signal 4
OUT Power supply (+3.3V)
IN/OUT Ink tank data signal 5
- GND
OUT Ink tank clock signal
- N.C
T-2-12
IN/OUT
IN/OUT Maintenance cartridge rom control signal (data)
IN/OUT Maintenance cartridge rom control signal (clock)
- GND
OUT Power supply (+3.3V)
T-2-13
IN/OUT
- GND
- GND
- GND
- GND
IN VH control signal
OUT Power supply (+21.5V)
Function
Function
Function
Function
Function
Chapter 2
2-35