6-31
FS-1900
Connector
Pin#
Signal
I/O
Voltage Function
YC203 20
FCOVOP*
I 24 V/0 V DC
Top cover/paper transfer unit interlock switch, On/Off
21 CSIZE I Analog Paper size switch detecting signal
22
PVOLAN2
I 0 V/5 V DC Paper gauge sensor 2, On/Off
YC204 1
TRVSEL2*
O0 V/24 V DC Transfer bias output voltage control signal 2
2
TRVSEL1*
O0 V/24 V DC Transfer bias output voltage control signal 1
3 +5V1 O 5 V DC Power supply for high voltage board
4
TRVSEL3*
O0 V/24 V DC Transfer bias output voltage control signal 3
5
TNEMP*
I 0 V/5 V DC Toner sensor, Toner empty/Not empty
6
TRCON*
O0 V/24 V DC Transfer bias, Output On/Off
7
TONSCAN
O
5 V/0 V DC (Pulse)
Toner sensor, Toner detecting clock signal
8 HVCLK O
5 V/0 V DC (Pulse)
Developing bias outputclock signal
9 GND - - Power ground
10
MCHON*
O0 V/24 V DC Main charger, Output On/Off
11 HUNIT* I 5 V/0 V DC Option feeder, Installed/Not installed
12
RTRCHON*
O0 V/24 V DC Transfer bias output, Reverse On/Off
13
HANDS*
I 0 V/5 V DC
MP tray paper sensor,Paper Detected/Not detected
14
DLPTYPE
I Analog Developer identifying signal
15 +5V2 O 5 V DC Power supply for high voltage board
16
TMOTDR
O 24 V/0 V DC Toner motor, Drive/Stop
17
CONTYPE
I 5 V DC Toner container identifying signal
(0 V/5 V DC) (MICR model only)
18 +24V2 O 24 V DC Power supply for high voltage board
YC205 1 OP24V O 24 V DC Power supply for option unit
2 GND - - Signal ground
3 OP5V O 5 V DC Power supply for option unit
4 - - - Reserved
5
OPSCLK
-
5 V/0 V DC (Pulse)
Serial communication clock signal