Lexmark Forms Printer 2400 Service Manual - Page 135
Tractor 2 Cable Connectors, Connector Locations
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24xx Tractor 2 Cable Connectors The Tractor 2 cable is soldered to the Tractor 2 board at CN1; there is no connector. Connector CN1-1 CN1-2 CN1-3 CN1-4 CN1-5 CN1-6 CN1-7 CN1-8 CN1-9 CN1-10 CN1-11 CN1-12 CN1-13 Mode +26 V dc. +26 V dc. Frame GND. Not used. +5 V dc. Motor common. D-Set (signal for Tractor 2 plugged in). Signal GND. Motor phase A; 0 V dc except when Tractor 2 motor is on. Motor phase B; +5 V dc when Tractor 2 not in use; 0 V dc when Tractor 2 is in use. Not used. Slider home sensor; +5 V dc when open, 0 V dc when closed. Tractor 2 in-place sensor; +5 V dc when open, 0 V dc when closed. Connector Locations 5-27
Connector Locations
5-27
24xx
Tractor 2 Cable Connectors
The Tractor 2 cable is soldered to the Tractor 2 board at CN1; there
is no connector.
Connector
Mode
CN1-1
+26 V dc.
CN1-2
+26 V dc.
CN1-3
Frame GND.
CN1-4
Not used.
CN1-5
+5 V dc.
CN1-6
Motor common.
CN1-7
D-Set (signal for Tractor 2 plugged in).
CN1-8
Signal GND.
CN1-9
Motor phase A; 0 V dc except when Tractor 2 motor is
on.
CN1-10
Motor phase B; +5 V dc when Tractor 2 not in use;
0 V dc when Tractor 2 is in use.
CN1-11
Not used.
CN1-12
Slider home sensor; +5 V dc when open, 0 V dc
when closed.
CN1-13
Tractor 2 in-place sensor; +5 V dc when open,
0 V dc when closed.