Service manual

2DA/2DB-1
2-3-16
Connector Pin No. Signal I/O Description
1 +12V I +12 V DC power supply from EPCB
2 OVSYNC I Original scanning interval signal
3 RSTN I Reset signal
4EGRN I Engine communication EGRN signal
5SDIR I Engine communication SDIR signal
6 SBSY I Engine communication SBSY signal
7 PDMASKN I Printing image interval signal
8 EGSI O Engine serial communication transmission
9 SCKN O Engine communication clock signal
10 EGSO I Engine serial communication reception
11 PLGCLK O PM clock signal
12 SGND - Ground
13 OUTEPN I Laser diode output signal
14 +5V I 5 V DC power supply from EPCB
15 +5V I 5 V DC power supply from EPCB
16 +5V I 5 V DC power supply from EPCB
17 SGND - Ground
18 SGND - Ground
19 SGND - Ground
20 +5V1 I 5 V DC power supply from EPCB
21 PGND - Ground
22 +24V I 24 V DC power supply from EPCB
1 +24V O 24 V DC power supply for MPCB
2SGND - Ground
3 +12VCCD O +12 V DC power supply for MPCB
4 E2CSGND - Ground
5 E2CRSTN O Reset signal
6E2CEGIRN O Engine communication E2CEGIRN signal
7 PDMASKN O Printing image interval signal
8 E2CEGSO O Engine serial communication transmission
9 E2CSCKN I Engine communication clock signal
10 +5V O 5 V DC power supply for MPCB
11 E2CEGSI I Engine serial communication reception
12 +5V O 5 V DC power supply for MPCB
13 E2CSBSYN O Engine communication E2CSBSYN signal
14 +3.3V O 3.3 V DC power supply for MPCB
15 E2CSDIR O Engine communication E2CSDIR signal
16 PLGCLK I PM clock signal
17 OUTEPN O Laser diode output signal
18 PVSYNC O Printing image interval signal
19 OVSYNC O Original scanning interval signal
20 +5VAPC O 5 V DC power supply for MPCB
YC6
Connected
to the
engine PCB
YC7
Connected
to the main
PCB