2HA/2HB
2-3-10
Connector Pin No. Signal I/O Description
YC1 1 +12 V O 12 V DC power supply for MPWB
Connected
to the Main
PWB
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 SGND - Ground
13 OUTEPN O Laser diode output signal
14 +5 V O 5 V DC power supply for MPWB
15 +5 V O 5 V DC power supply for MPWB
16 +5 V O 5 V DC power supply for MPWB
17 SGND - Ground
18 SGND - Ground
19 SGND - Ground
20 +5 V3 O 5 V DC power supply for APCPWB/PDPWB
21 PGND - Ground
22 +24 V O 24 V DC power supply for MPWB
YC3 1 PLGCLKN O PM clock signal
Connected
to the poly-
gon motor,
cleaning
lamp, cool-
ing fan
motor 1 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 FAN1DRN O CFM1 on/off
7 +24V1 O 24 V DC power supply for CFM1
8 TONEGND - Ground
9 TONEFUL I OFS on/off
10 TONE +5 V2 O 5 V DC power supply for OFS
11 ERASE +24 V4 O 24 V DC power supply for CL
12 ERASE3N O CL on/off (3)
13 ERASE2N O CL on/off (2)
YC4 1 +5 V O 5 V DC power supply for RM
Connected
to the regis-
tration motor
PWB
2 RMLOW O RM Low signal
3 RMCLK O RM clock signal
4 RMENB O RM on/off
5 SGND - 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 SGND - 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 PGND - Ground
10 PGND - 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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