OKIFAX 5700/5900 7 - 137.10 Sensor Calibration TestStart"SCANNING ERROR"appears on LCD whileadjusting for level.Perform SENSOR CALI-BRATION. (See 6.6)NoAbnormal feeding isobserved duringSCANNING CHECK?Check that white plain bond paper ofNA Letter or A4 size is loaded on the feeder.Checking Points:Go to 7.18.No documentfeedingGo to 7.19.Multiple documentfeedingGo to 7.20.Document skewGo to 7.21.YesYesNoEndDocument jam