Lexmark 632n - T B/W Laser Printer Service Manual page 108

FRU
2 Output expander control
board
No indication that bin x is full or no indication that bin x is near full
FRU
1 Dual output bin x sensor
assembly
Output expander control
board
Action
Disconnect the motor cable J4 and check the voltages at J4 on the
board.
Note: Use caution not to short to adjacent pins on the connector.
Pin Status
J4-1 (Motor Idle)
J4-2 (Motor Idle)
J4-5 (Motor Idle)
J4-6 (Motor Idle)
If any of the voltages are incorrect, replace the control board. If the
voltages are correct, replace the DC motor/mechanical linkage
assembly.
Action
Check for correct installation of the sensor cable at J5 on the output
expander control board. If either the Bin Full (F) or Bin Near Full (NF)
fail the sensor test then check the voltage at J5-3 and J5-4. The
voltage measures approximately +5 V dc. If the voltage is incorrect,
replace the output expander control board. If correct, replace the
sensor assembly.
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Voltage
+24 V dc
+24 V dc
+5 V dc
+5 V dc
Diagnostic information
4060-xxx
2-75