Lexmark Optra S Service Manual - Page 96
The elevator moves in one direction only., J1-2 Yellow +24 V dc
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4059-XXX The elevator moves in one direction only. FRU 1 Stepper Motor High Capacity Feeder Option Control Board Action Check the voltages at J1 on the high capacity system board. The voltage measures as follows: static (motor connected) J1-1 (Orange) +24 V dc J1-2 (Yellow) +24 V dc J1-3 (Green) +24 V dc J1-4 (White) +24 V dc motor running J1-1 (Orange) approximately +12 V dc J1-2 (Yellow) approximately +12 V dc J1-3 (Green) approximately +12 V d J1-4 (White) approximately +12 V dc If any of the voltages are incorrect, disconnect the motor and measure the resistance between pin J1-1 to J1-3 and J12 and J1-4. The resistance measures between 10 and 15 ohms. If incorrect, replace the motor. If correct, replace the high capacity feeder control board. 2-69 4059 Service Manual