Samsung CLX-8540ND Service Manual page 312

● Code : 21-010
● Symptom :
There is the paper in MP tray but error message is displayed.
● Possible Cause:
1. MP Paper Empty Sensor harness is not connected properly. .
2. MP Paper Empty Sensor is defective.
● Troubleshooting method :
2. Check the following.
-. Check if the MP Paper Empty sensor is assembled properly.
-. Check if the MP Paper Empty sensor harness is connected properly.
-. Enter the EDC mode. Execute the MP Paper Empty sensor test.
(EDC Mode Test Routines
check Stop)
Troubleshooting
● Error message : Paper is empty in MP tray. Load paper
Copier Engine/DADF Test Routine
1. Check if the Harness is defective.
Check if the connector is connected properly.
102-280
4-150
Start Operation