How to Test the Scanner Unit

Press the Menu button, scroll down to Settings, then press OK

Then scroll down to Device Test menu, then press OK

This screen will have a heading for you to select what you want to test

It is recommended to select Test All, then press OK

The system will display a message, press OK

Then the device will run and display the results showing

which parts are defective after testing, then press OK

Press OK

Press OK

Press OK

Press OK

Press OK

On this screen, press the various buttons on the device to check if all buttons are working properly, then press OK

Then press OK