2KR/2KS
2-3-7
YC2 45 GND - - Ground
Connected
to the main
PWB
46 MAIN_EGIRN O 0/3.3 V DC MPWB interrupt signal
47 MAIN_SO O 0/3.3 V DC (pulse) MPWB serial communication data signal
48 MAIN_SDIR O 0/3.3 V DC MPWB communication direction signal
49 MAIN_SBSY O 0/3.3 V DC MPWB busy signal
50 24V_OFF O 0/3.3 V DC MPWB 24 V down signal
YC3 1 5VSAFE I 5 V DC 5 V DC power output to APCPWB
Connected
to the laser
scanner unit
2 SAMPLE1 O 0/3.3 V DC APCPWB sample/hold signal
3 POWCONT O
Analog
APCPWB control signal
4 LASER O 0/3.3 V DC Laser diode output signal
5 VD+ O 0/3.3 V DC (pulse) Video data signal
6 VD- O 0/3.3 V DC (pulse) Video data signal
7 GND - - Ground
8 PD I 0/3.3 V DC Laser sync signal
9 GND - - Ground
10 R24V O 24 V DC 24 V DC power output to PM
11 GND - - Ground
12 SCAN O 0/24 V DC PM: On/Off
13 SCRDYN I 0/3.3 V DC PM ready signal
14 SCCLK O 0/3.3 V DC (pulse) PM clock signal
YC4 A1 GND - - Ground
Connected
to the regis-
tration
switch, fuser
unit, duplex
feed clutch,
duplex
paper con-
veying
switch,
paper con-
veying fan
motor 1/2/3
and duplex
fan motor 1/
2/3
A2 RGFEPS I 0/3.3 V DC RSW: On/Off
A3 +5V O 5 V DC 5 V DC power output to RSW
A4 FUSP0 I 0/3.3 V DC Fuser unit distinction signal
A5 +3.3V O 3.3 V DC 3.3 V DC power output to FUPWB
A6 THFUSER I Analog FTH1 detection voltage signal
A7 GND - - Ground
A8 THCSTD I Analog FTH2 detection voltage signal
A9 THCSEN I Analog FTH2 detection voltage signal
A10 OPEN - - Not used
B1 R24V O 24 V DC 24 V DC power output to DUPFCL
B2 DUCL O 0/24 V DC DUPFCL: On/Off
B3 GND - - Ground
B4 DUFEPS I 0/3.3 V DC DUPPCSW: On/Off
B5 +5V O 5 V DC 5 V DC power output to DUPPCSW
B6 +24V2 O 24 V DC 24 V DC power output to PCFM1,2,3
B7 FAN_CONV O 0/24 V DC PCFM1,2,3: On/Off
B8 DUSET I 0/3.3 V DC Duplex unit distinction signal
B9 +24V2 O 24 V DC 24 V DC power output to DUPFM1,2,3
B10 FAN5 O 0/24 V DC DUPFM1,2,3: On/Off
Connector Pin No. Signal I/O Voltage Description
Y111960-2 Service Manual
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