Canon WS8400 Service Manual page 177

J202
Pin Signal name IN/OUT
number
1 LF_A OUT
2 +24V OUT
3 LF_AN OUT
4 LF_BN OUT
5 +24V OUT
6 LF_B OUT
J203
Pin Signal name IN/OUT
number
A1 +5V OUT
A2 GND -
A3 CR_BRAKE OUT
A4 CR_DIR OUT
A5 LFSP_DIR OUT
A6 LFSP_REST OUT
A7 GND -
A8 KYUINFAN_ALM IN
A9 MISTFAN_ALM IN
A10 LF_CURRENT OUT
A11 DCOVER_SOL* OUT
A12 KYUINFAN_PW OUT
M*
A13 MISTFAN OUT
A14 GND -
A15 INKM_M1_B OUT
A16 INKM_M3_BX_N OUT
1*
A17 PUMPM1_B OUT
A18 PUMPM3_BX_N1 OUT
*
A19 CAPM1_B OUT
A20 CAPM3_BX_N1 OUT
B1 GND -
B2 CAPM2_AX_N0 OUT
B3 CMPM0_A OUT
B4 PUMPM2_AX_N0 OUT
*
B5 PUMP0_A OUT
B6 INKM_M2_AX_N OUT
0*
B7 INK_M0_A OUT
B8 SPOOL_CL* OUT
B9 MISTFAN_V OUT
B10 TCOVER_SOL* OUT
B11 GND -
B12 GND -
B13 LF_MOI IN
B14 DOOR* IN
B15 LFSP_ENB OUT
B16 LFSP_CLK OUT
B17 GND -
B18 CR_PWMOUT OUT
B19 CR_START OUT
B20 +3.3V OUT
T-6-17
Function
Feed motor phase excitation signal (A)
Power supply (+26.5V)
Feed motor phase excitation signal (AN)
Feed motor phase excitation signal (BN)
Power supply (+26.5V)
Feed motor phase excitation signal (B)
T-6-18
Function
Power supply (+5.1V)
GND
Carriage motor brake signal
Carriage motor rotation direction control signal
Feed motor rotation direction control signal
Feed motor drive reset signal
GND
Suction fun alarm detect signal
Mist fun alarm detect signal
Feed motor constant current control signal
Upper solenoid drive signal
Suction fan drive PWM signal
Mist fan drive signal
GND
Valve motor phase excitation signal (B)
Valve motor phase excitation signal (BN)
Pump motor phase excitation signal (B)
Pump motor phase excitation signal (BN)
Cap motor phase excitation signal (B)
Cap motor phase excitation signal (BN)
GND
Cap motor phase excitation signal (AN)
Cap motor phase excitation signal (A)
Pump motor phase excitation signal (A)
Pump motor phase excitation signal (A)
Valve motor phase excitation signal (AN)
Valve motor phase excitation signal (A)
Spool clatch drive signal
Mist fan drive voltage change signal
Right cover solenoid drive signal
GND
GND
Feed motor driver phase excitation signal monitor
Upper cover open/close detect signal
Feed motor operation control signal
Feed motor speed control signal
GND
Carriage motor speed control signal
Carriage motor start control signal
Power supply (+3.3V)
Chapter 6
6-27