2WA/2NJ/2RK-1
8-43
YC14: Fuser motor
YC15: Rear eject fan motor
YC16: JS main PWB
YC17: Relay PWB
YC18: Registration motor
YC19: Engine PWB
YC20: IH PWB
YC22: Paper feed motor, Vertical conveying motor
YC23: Lift motor 1, Lift motor 2, Upper paper gauge sensor 1, Lower paper gauge sensor 1, Upper paper
gauge sensor 2, Lower paper gauge sensor 2
YC24: Conveying sensor, Conveying cover open/close switch, Middle sensor, Registration sensor, Middle
conveying motor, Paper sensor 1, Paper sensor 2, Lift sensor 1, Lift sensor 2, Feed sensor 1, Feed sensor
2
YC25: Paper feed 1, Paper feed clutch 2
YC26: Current PWB (100V: 70 ppm model only)
YC27: Fuser high-voltage PWB
Connec-
tor
Pin Signal I/O Voltage Description
YC1 A1 TRANS_MOT_RE
M
I DC0V/5V Transfer motor remote signal
A2 TRANS_MOT_CL
K
I DC0V/5V(pulse) Transfer motor clock signal
A3 TRANS_MOT_RD
Y
O DC0V/3.3V Transfer motor sync signal
A4 PRESS_REM I DC3.3V Fuser heater drive control signal
A5 FSR_RELAY I DC3.3V Fuser relay drive control signal
A6 GND - - Ground
A7 MID_MOT_RDY O DC0V/3.3V Middle conveying motor sync signal
A8 MID_MOT_CLK I DC0V/
3.3V(pulse)
Middle conveying motor clock signal
A9 MID_MOT_REM I DC0V/3.3V Middle conveying motor remote signal
A10 REG_MOT_RDY O DC0V/3.3V Registration motor sync signal
A11 REG_MOT_CLK I DC0V/
3.3V(pulse)
Registration motor clock signal
A12 REG_MOT_REM I DC0V/3.3V Registration motor remote signal
A13 CURRENT_SIG O Analog AC outlet current detection voltage
A14 GND - - Ground
A15 REG_SENS O DC0V/3.3V Registration sensor: On/Off
A16 LOOP_SENS O Analog Loop sensor detection voltage
A17 DRM_HEAT_REM I DC3.3V Cassette heater control signal
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