Scanner tests
Use the scanner tests to verify that specific components in the scanner assembly are operating
correctly. For most of the components, you must observe or listen to the component in order to verify
that it is functioning as stated on the control-panel display. For the scanner sensors, you must
activate the sensor and watch the condition indicator on the control-panel display to see if it changes.
Component test
Use the component test to exercise individual parts one-at-a-time, so that you can determine the
cause of noise inside the MFP. For most of the components, you must observe or listen to the
component in order to verify that it is functioning as stated on the control-panel display.
Tools for troubleshooting 425
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