DP120F/DP125F Troubleshooting 11-6 March 2000 © TOSHIBA TEC1.2.2 KEY TEST [MENU], [9], [2], [02]The test checks the key switch operation on the Operation panel.(1) Use the [ ↑ ] or [ ↓ ] key to select “02. KEY TEST”, and then press the [ENTER] key.KEY TESTPRESS ALL KEYSEXCEPT STOP KEY(2) Press all the key switches except the [STOP] key. If all the keys except the [STOP] keyhave been detected, the screen below is displayed.KEY TESTPRESS STOP KEY If you fail to press all of the keys on the operation panel includingbefore pressing [STOP] key, the result will be NG.(3) Press the [STOP] key. The result of the key test (“OK” or “NG”) is displayed on the screen,and the unit returns to the test item select screen of the INDIVIDUAL TEST.KEY TESTOK Unless the [STOP] key is pressed within 10 seconds after the screen instep (2) is displayed, the test result is judged to be NG. The result of the KEY TEST can be checked with the self test report. Forprinting the self test report, refer to “1.3 TEST RESULT LIST” on page 11-14.If the result of the KEY TEST is judged to be NG, solve the problem byreferring to “1.5.1 OPE. PANEL TEST” on page 11-16.
