Follow this procedure to execute detailed self-diagnosis.

  1. Switch off the machine.
  2. Hold down [#], press and hold down , and then while pressing both keys at the same time, switch on the machine.
    You will see "Now Loading" on the touch-panel, and then you will see the results of the test.
    A report is printed every time a detailed self-diagnostic test is executed, whether errors were detected or not.