2FT-3.0
2-3-13
YC18 1 +5V2 O 5 V DC power supply for SHPSW
Connected
to the origi-
nal detec-
tion switch
and scan-
ner home
position
switch
2 HPSWN I SHPSW on/off
3 SGND - Ground
4 +5V2 O 5 V DC power supply for ODSW
5 OPSWN I ODSW on/off
6 SGND - Ground
YC19 1 +5V2 O 5 V DC power supply for OSDS
Connected
to the origi-
nal size
detection
sensor
2 ORGLSWN I OSDS on/off
3 SGND - Ground
YC20 1 +5 V I 5 V DC power supply from PSPCB
Connected
to the power
source PCB
2 SGND - Ground
3 PGND - Ground
4 +24V4 I 24 V DC power supply from PSPCB (Via LCSSW)
YC21 1 +24V I 24 V DC power supply from PSPCB
Connected
to the power
source PCB
2 +24V1 I 24 V DC power supply from PSPCB
3 +24V1 I 24 V DC power supply from PSPCB
4 PGND - Ground
5 PGND - Ground
6 COUNTN - Not used
7 MHEATN O FH-M on/off
8SHEATN OFH-S on/off
9 SLEPN O Power source sleep signal
10 ZCROSSC O Zero-cross signal
11 SGND - Ground
12 +24V2 I 24 V DC power supply from PSPCB (Via LCSSW)
13 SGND - Ground
14 +5V3 I 24 V DC power supply from PSPCB (Via LCSSW)
YC22 1 C1PLSW3N I PLSW on/off
Connected
to the paper
size length
switch and
toner con-
tainer detec-
tion switch
2 C1PLSW2N I PLSW on/off
3 SGND - Ground
4 C1PLSW1N I PLSW on/off
5 TCONDET I TCDSW on/off
6 SGND - Ground
YC23 1 FUFMLTN O FUSE signal
Connected
to the fixing
PCB, drum
PCB and
developing
PCB
2 THERMA I
FTH detection voltage
3 THERMA+5V O 5 V DC power supply for FTH
4 +5V O 5 V DC power supply for DRPCB
5 IUID2SCL O DRPCB clock signal
6 IUIDSDA O DRPCB data signal
7 SGND - Ground
8 IUID2DETN I Drum unit detection signal
9 +5V O 5 V DC power supply for DVPCB
10 IUID1SCL O DVPCB clock signal
11 IUIDSDA O DVPCB data signal
12 SGND - Ground
13 IUID1DETN I Developing unit detection signal
Connector Pin No. Signal I/O Description
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