Service manual

2DA/2DB-1
2-3-10
Connector Pin No. Signal I/O Description
YC1
Connected
to the
printer
board PCB
YC3
Connected
to the
polygon
motor,
cleaning
lamp,
cooling fan
motor 1,
fixing
thermister
and
overflow
sensor
YC4
Connected
to the
registration
motor PCB
YC5
Connected
to the
finisher*
2
/
job
separator*
2
1 +12V O +12 V DC power supply for MPCB
2 OVSYNC O Original scanning interval signal
3 RSTN O Reset signal
4EGRN O Engine communication EGRN signal
5SDIR O Engine communication SDIR signal
6 SBSY O Engine communication SBSY signal
7 PDMASKN O Printing image interval signal
8 EGSI I Engine serial communication reception
9 SCKN I Engine communication clock signal
10 EGSO O Engine serial communication transmission
11 PLGCLK I PM clock signal
12 SGND - Ground
13 OUTEPN O Laser diode output signal
14 +5V O 5 V DC power supply for MPCB
15 +5V O 5 V DC power supply for MPCB
16 +5V O 5 V DC power supply for MPCB
17 SGND - Ground
18 SGND - Ground
19 SGND - Ground
20 +5V1 O 5 V DC power supply for PRNPCB
21 PGND - Ground
22 +24V O 24 V DC power supply for PRNPCB
1 PLGCLKN O PM clock signal
2 PLGRDYN I PM rotation sync signal
3 PLGDRN O PM on/off
4 PLGGND - Ground
5 PLG+24V4 O 24 V DC power supply for PM
6 ERASE+24V4 O 24 V DC power supply for CL
7 ERASE2N O CL on/off (2)
8 ERASE1N O CL on/off (1)
9FAN1DRN O CFM1 on/off
10 +24V1 O 24 V DC power supply for CFM1
11 THERMA+5V O 5 V DC power supply for FTH
12 THERMA I FTH analog signal
13 TONEGND - Ground
14 TONEFUL I OFS on/off
15 TONE+5V2 O 5 V DC power supply for OFS
1 +5V O 5 V DC power supply for RM
2 RMLOW O RM Low signal
3 RMCLK O RM clock signal
4 RMENB O RM on/off
5SGND - Ground
1 RLSOLN I Finisher/Job separator FSSW (RET) on/off
2 SLSOLN I Finisher/Job separator FSSW (ACT) on/off
3 SCLK O Finisher/Job separator clock signal
4 SDI I Finisher serial communication reception/ Job separator JBESW on/off
5 SDO O Finisher/Job separator serial communication transmission
6OPRDY I Finisher READY signal/ Job separator EPDSW on/off
7 OPSEL O Finisher SELECT signal
8SGND - Ground
9 +5V4 O 5 V DC power supply for Finisher/Job separator
10 PGND - Ground
11 PGND - Ground
12 +24V4 O 24 V DC power supply for Finisher/Job separator
13 +24V4 O 24 V DC power supply for Finisher/Job separator
*1: Optional for 16 ppm model. Standard for 20 ppm model. *2: Optional.