Lexmark C782 Service Manual - Page 92

5061 272.xx paper jam service check 5-bin mailbox Step 1 2 3 4 Actions and questions Bottom pass thru sensor flag-Make sure the flag is operating correctly and is not binding, broken, and there is no interference from the sensor cable. Is there any problem found with the sensor flag? Bottom pass thru sensor-Make sure the sensor is correctly connected to J5 on the control board. Is the sensor connected correctly? Bottom pass thru sensor voltage check 1-Disconnect the pass thru sensor cable and check the voltage at J5-3 on the board. The voltage measures approximately +5 V dc. Is the voltage correct? Bottom pass thru sensor voltage check 2-Check the voltage at J5-2 on the board; the voltage measures approximately 0 V dc. Is the voltage correct? Yes Fix or replace the flag. Go to step 3 Go to step 4 Replace the sensor assembly. No Go to step 2 Reseat the cable. Replace the control board. Replace the control board. 5-bin mailbox POST incomplete Step 1 2 3 4 Actions and questions Pass thru sensor flag-Check the sensor flag for correct operation. Is the flag operating correctly? Pass thru sensor cable-Make sure the pass thru sensor cable is correctly connected to J3 on the control board. Is the cable connected correctly? Voltage check-Disconnect the pass thru sensor cable from the control board and check the voltage on J3-3. The voltage measures approximately +5 V dc. Is the voltage correct? Voltage check-Measure the voltage at J3-2. The voltage measures approximately 0 V dc. Is the voltage correct? Yes Go to step 2 Go to step 3 Go to step 4 Replace the control board. No Repair or replace as necessary. Reseat the cable. Replace the control board. Replace the sensor assembly. 2-50 Service Manual