Lexmark T620 Service Manual - Page 284
Output Expander Control Board, J1A Autoconnect, 24 V dc, Ground, Prtxdin, prtrxd, prtxdout
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4069-5XX/7XX Output Expander Control Board Connector J1A Autoconnect J1B J2A Autoconnect J2B J3 Pass Thru Sensor J4 DC Motor Pin No. 1 2 3 1 2 3 4 5 1 2 3 1 2 3 4 1 2 3 1 2 3 4 5 6 Signal +24 V dc Ground +5 V dc Prtxdin Ground prtrxd Ground N/C +24 V dc Ground +5 V dc prtxdout Ground prtrxd Ground Ground Paper Present RVsnsr mtrout1 mtrout2 Ground Ground tach + +5 V dc 5-12 Service Manual
5-12
Service Manual
4069-5XX/7XX
Output Expander Control Board
Connector
Pin No.
Signal
J1A Autoconnect
1
+24 V dc
2
Ground
3
+5 V dc
J1B
1
Prtxdin
2
Ground
3
prtrxd
4
Ground
5
N/C
J2A Autoconnect
1
+24 V dc
2
Ground
3
+5 V dc
J2B
1
prtxdout
2
Ground
3
prtrxd
4
Ground
J3 Pass Thru Sensor
1
Ground
2
Paper Present
3
RVsnsr
J4 DC Motor
1
mtrout1
2
mtrout2
3
Ground
4
Ground
5
tach +
6
+5 V dc