User guide

8-50 Troubleshooting
C4705-90000
  
 !      "$        #   # ! 
      #
Remove any loaded media before performing this test.
   "   !!   %     
SERVICE TESTS
29 Media sensor
        %       $  
 &     !       
           $    %      
$    &     !       
If media   when the Media Absent / Stop..." message is displayed on the
frontĆpanel, then the test has failed.
If media    when the Media Present / Stop..." message is displayed on
the frontĆpanel, then the test has failed.
If the test fails, try replacing one of the following components:
1 Media sensor  page 6Ć22.
2 Main PCA  page 6Ć9.
Only replace one component at a time and perform the “Media Sensor” test again before
replacing another component. Using this procedure you will be able to determine exactly which
component failed.