6-33
FS-1800/1800N | FS-3800/3800N
Connector Pin#
Signal I/O Voltage Function
YC203 20
FCOVOP
* I 24 V/0 V DC Top cover/paper feed 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
* O 0 V/24 V DC Transfer bias output voltage control
signal 2
2
TRVSEL1
* O 0 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
* O 0 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* O 0 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* O 0 V/24 V DC Main charger, Output On/Off
11 HUNIT* I 5 V/0 V DC Option feeder, Installed/Not installed
12
RTRCHON
* O 0 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
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