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Samsung MultiXpress K3250NR

Error Codes List page 18

  • Code: U3-4210
  • Description: Top door of scanner is open.
  • Causes: RADF cover is open.
  • Remedy: 1) Close the RADF cover properly.
    2) If this error occurs continually, Check the following: a) Check the RADF cover open sensor and its harness. If there is a defective part, replace it. b) If both of them are normal, check the Cover-Open Rib. If it is broken, replace the Cover-Open.
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