2C9
2-3-10
Connector Pin No. Signal I/O Description
YC1 1 +12 V O 12 V DC power supply for MPCB
Connected
to the Main
PCB
2 OVSYNC O Original scanning interval signal
3 RSTN O Reset signal
4 EGRN O Engine communication EGRN signal
5 SDIR 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 S.GND - Ground
13 OUTEPN O Laser diode output signal
14 +5 V O 5 V DC power supply for MPCB
15 +5 V O 5 V DC power supply for MPCB
16 +5 V O 5 V DC power supply for MPCB
17 S.GND - Ground
18 S.GND - Ground
19 S.GND - Ground
20 +5 V3 O 5 V DC power supply for APCPCB/PDPCB
21 P.GND - Ground
22 +24 V O 24 V DC power supply for MPCB
YC2 1 PLGCLKN O PM clock signal
Connected
to the poly-
gon motor,
cleaning
lamp, cool-
ing fan
motor 1, fix-
ing ther-
mistor and
overflow
sensor
2 PLGRDYN I PM rotation sync signal
3 PLGDRN O PM on/off
4 PLGGND - Ground
5 PLG +24 V4 O 24 V DC power supply for PM
6 ERASE +24 V4 O 24 V DC power supply for CL
7 ERASE2N O CL on/off (2)
8 ERASE1N O CL on/off (1)
9 FAN1DRN O CFM1 on/off
10 +24V1 O 24 V DC power supply for CFM1
11 THERMA +5 V 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 +5 V2 O 5 V DC power supply for OFS
YC4 1 +5 V O 5 V DC power supply for RM
Connected
to the regis-
tration motor
PCB
2 RMLOW O RM Low signal
3 RMCLK O RM clock signal
4 RMENB O RM on/off
5 S.GND - Ground
YC6 1 ORGTIMN I DP original scanning interval signal
Connected
to the
optional DP
2 DOPRDY I DP READY signal
3 DOPSEL O DP SEL signal
4 S.GND - Ground
5 DOPCLK O DP clock signal
6 DOPSDI I DP serial communication reception
7 DOPSDO O DP serial communication transmission
8 +5 V4 O 5 V DC power supply for DP
9 P.GND - Ground
10 P.GND - Ground
11 +24V1 O 24 V DC power supply for DP
12 +24V1 O 24 V DC power supply for DP
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