Alignment & Troubleshooting
Service Manual
4-31
Samsung Electronics
● Code
01-000
● Error message
Door is open or
Check Transfer belt
● Symptom
Front cover or top cover is opened.
● Possible Cause
1. Harness is defective, Connector is not connected properly.
2. Sensor is defective.
● Troubleshooting method :
1. Ensure the Front and Top Covers are closed properly.
2. If the PTB [paper transfer belt] is not installed, install it.
3. Check the cover switch harness between Main PBA and HVPS.
4. Check the 24V enable signal on Main PBA. If the voltage is high(5V), replace the Main PBA.
5. Check the 24V1 on SMPS. If there is no output, replace the SMPS board.
CN29 Connector
24V1 ˧ No. 2,3,4 Pin
24V enable ˧ No. 28 Pin
˧
Cover Switch
Connector
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