2KN/2KP
2-3-27
YC23 1 D TEMP SENS I Analog Developing humidity sensor temperature detec-
tion signal
Connected
to the devel-
oping
humidity
sensor
2 GND - - Ground
3 D HUMID
SENS
I Analog Developing humidity sensor humidity detection
signal
4 5V O 5 V DC 5 V DC power output
YC24 1 GND - - Ground
Connected
to the cool-
ing fan
motors 1/2/
4, PWB fan
motor 1/2,
scanner fan
motor, LSU
fan motor
and devel-
oping duct
fan motor
2 COOL FAN 1
REM
O 24 to 20.92/
20.92 to 0.5/
0.5 to 0 V DC
Cooling fan motor 1: full speed/half speed/off
3 GND - - Ground
4 COOL FAN 2
REM
O 24 to 20.92/
20.92 to 0.5/
0.5 to 0 V DC
Cooling fan motor 2: full speed/half speed/off
5 GND - - Ground
6 COOL FAN 4
REM
O 0/24 V DC Cooling fan motor 4: On/off
7 GND - - Ground
8 PCB FAN 1
REM
O 24 to 20.92/
20.92 to 0.5/
0.5 to 0 V DC
PWB fan motor 1: full speed/half speed/off
9 GND - - Ground
10 PCB FAN 2
REM
O 24 to 20.92/
20.92 to 0.5/
0.5 to 0 V DC
PWB fan motor 2: full speed/half speed/off
11 GND - - Ground
12 SCANNER FAN
REM
O 0/12/24 V DC Scanner fan motor: full speed/half speed/off
13 GND - - Ground
14 LSU FAN REM O 0/12/24 V DC LSU fan motor: full speed/half speed/off
15 GND - - Ground
16 DLP FAN R
REM
O 0/24 V DC Developing duct fan motor: On/off
Connector Pin No. Signal I/O Voltage Description