Service manual

2DA/2DB-1
2-3-13
Connector Pin No. Signal I/O Description
YC18
Connected
to the
original
detection
switch and
scanner
home
position
switch
YC19
Connected
to the
original size
detection
sensor
YC20
Connected
to the
power
source PCB
YC21
Connected
to the
power
source PCB
YC22
Connected
to the paper
size length
switch and
toner
container
detection
switch
YC24
Connected
to the
registration
motor PCB
1 +5V2 O 5 V DC power supply for SHPSW
2 HPSWN I SHPSW on/off
3SGND - Ground
4 +5V2 O 5 V DC power supply for ODSW
5 OPSWN I ODSW on/off
6SGND - Ground
1 +5V2 O 5 V DC power supply for OSDS
2 ORGLSWN I OSDS on/off
3SGND - Ground
1 +5 V I 5 V DC power supply from PSPCB
2SGND - Ground
3PGND - Ground
4 +24V4 I 24 V DC power supply from PSPCB (Via LCSSW)
1 +24V I 24 V DC power supply from PSPCB
2 +24V1 I 24 V DC power supply from PSPCB
3 +24V1 I 24 V DC power supply from PSPCB
4PGND - Ground
5PGND - Ground
6 COUNTN - Not used
7 MHEATN O FH-M on/off
8 SHEATN O FH-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)
1 C1PLSW3N I PLSW on/off
2 C1PLSW2N I PLSW on/off
3SGND - Ground
4 C1PLSW1N I PLSW on/off
5 TCONDET I TCDSW on/off
6SGND - Ground
1 +24V4 O 24 V DC power supply for RMPCB
2SGND - Ground