P6Table 4.2.1 Self-DiagnosistertmenuTao No.’ Name of Function LC DisDlavshowr Description[ CIEI sensor test To check the function validity of the light source (fluorescent lamp), optical path, CCD image sensor.and the associated circuit.I. To check the functional validity of the input ports provided in the machine.-1 EnterNo.‘l”to”4”D LC Display will,indicate the status of the depressed key on Operation Panel. That is. the assignedbit position on LC Display will be changed the status “0” into “1”.