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