Datamax-O’Neil I-Class Mark II I-4606 Error Code Reflective Mode Cannot Calibrate
Consistently low sensor readings were detected.
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Ensure that the reflective mark is inserted face down in the media sensor during calibration; also ensure that the reflective mark is made of carbon based ink; and that the sensor is free of debris. Retry calibration. If the problem persists, try to Advanced Entry Calibration.