Lexmark T620 Service Manual - Page 279
Envelope Option Board, Ground, Tx EOC, 24 V dc Return, 24 V dc, Paper Present, Motor - Phase B
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4069-5XX/7XX Envelope Option Board Connector J1 J2 J3 J4 Pin No. 1 2 3 4 5 6 7 1 2 3 1 2 3 1 2 3 4 Signal N/A Ground Tx (EOC) Ground Rx (EOC) +24 V dc Return +24 V dc Ground Paper Present +5 V dc Ground Paper Present +5 V dc Motor - Phase BMotor - Phase AMotor - Phase B+ Motor - Phase A+ Connector Locations 5-7
Connector Locations
5-7
4069-5XX/7XX
Envelope Option Board
Connector
Pin No.
Signal
J1
1
N/A
2
Ground
3
Tx (EOC)
4
Ground
5
Rx (EOC)
6
+24 V dc Return
7
+24 V dc
J2
1
Ground
2
Paper Present
3
+5 V dc
J3
1
Ground
2
Paper Present
3
+5 V dc
J4
1
Motor - Phase B-
2
Motor - Phase A-
3
Motor - Phase B+
4
Motor - Phase A+