Remedy: 1) Check if the LSU harness on the main board is connected properly.Ģ) If it is OK, check that the LSU harness on LSU board is connected properly.ģ) Check if the LSU harness is defective.Ĥ) If the problem persists, replace the LSU.ĥ) If the problem persists after replacing LSU, replace the main board. Code: U1-2332, U1-2340 Display: Error U1-2332 Turn off then on Error U1-2340 Turn off then on Description: The temperature control of fuser unit is abnormal.Description: LSU Motor does not work normally.
Display: Error #U2-6120 Turn off then on.c) Check if the thermistor is contaminated or twisted.ĥ) If the problem persists, replace the main board or SMPS board. b) Check if the halogen lamp voltage is normal. a) Check if the fuser connector is connected properly. If the fuser unit has any problem, replace it. Is the error message is disappeared? 4) Check the followings. Be careful when connecting the AC-connector and Thermistor connector.ģ) Turn the machine on. Remedy: 1) Check if the input voltage is normal.Ģ) Turn the machine off.Description: The temperature control of fuser unit is abnormal.Display: Error #U1-2332 Turn off then on.
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