Samsung Xpress M2070
- Code: U2–1112, U2–1113
- Display: Error #U2-1112 Turn off then on Error #U2-1113 Turn off then on
- Description: LSU Motor does not work normally.
- Remedy: 1) Check if the LSU harness on the main board is connected properly. (picture- 1) 2) If it is OK, check that the LSU harness on LSU board is connected properly. (picture- 2,3) 3) Check if the LSU harness is defective. (picture- 4,5) 4) If the problem persists, replace the LSU. 5) If the problem persists after replacing LSU, replace the main board.
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