1) Turn on the power switch of the PC and start SST.
2) When the power switch is turned on, the Found New hardware Wizard appears. Click "Cancel".
3) Select "MFP" in "Target Selection", and then select "iR2020" in "Model List".
4) Double-click the "System" folder in "Model List" to check the system software version. Select "USB" in "Interface", and then click the "START" button.