Samsung ML-6050 Service Manual page 11

3-4-3. DCU Error Status Code
DCU error code will indicate malfunction area of the machine.
Display
60 OPEN FUSER ERROR
62 LOW TEMPERATURE ERROR
68 OVER HEATING ERROR
64 COVER OPEN ERROR
70 NO PAPER
71 PAPER JAM 0
72 PAPER JAM 1
73 PAPER JAM 2
95 LSU NOT READY
3-4-4. Error Solution
Display
60, 62, 68 1. Measure the resistance of the AC connector on the Fuser. Normal resistance is 2-4 ohmsfor
110V, 6-8 ohms for 220V.
2. Check if the fuser lamp works properly.
3. Measure the resistance at Q101 on the engine board. If abnormal, replace Q101, Q3, PC151, Q8.
70 1. Make sure that paper is loaded in the cassette.
2. Replace OP2 sensor (photo interrapter).
3. Check if the feed clutch works properly.
4. If abnormal, replace the feed clutch or Q4 on the engine board.
71 1. Make sure that paper is loaded in the cassette.
2. Check for pick-up unit. If it is heavily worn, replace it with new one.
3. Replace OP1 sensor.
72, 73 1. Make sure that the paper being used meets the specification.
2. Check if there is a paper jam in the fuser.
3. Replace OP1, OP3 on the engine board.
4. Check the fuser roller for any dirt. If dirty, clean the roller.
72, 73 1. Make sure that the paper being used meets the specification.
2. Check if there is a paper jam in the fuser.
3. Replace OP1, OP3 on the engine board.
4. Check the fuser roller for any dirt. If dirty, clean the roller.
95 1. Check for U205 on the engine board.
2. Replace LSU.
3. Measure the resistance at R62 and R8. If abnormal, replace them.
Samsung Electronics
Diagnostic Code Description
Solution
Reference Information
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