Lexmark C792 Family, Service Manual

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Diagnostic aids
3-17
5062
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INPUT TRAY TESTS
Feed Test
This test feeds blank pages through the paper path.
Note: This test can run using any of the paper or envelope sizes supported by the printer. The pages are placed
in the default output bin; however, the Feed Test menu lets you select the input source.
1.
From the Diagnostics menu, navigate to:
INPUT TRAY TESTS > Feed Test
2.
Select the input source. All installed sources appear.
3.
Select either Single (feeds one sheet of media from the selected source) or Continuous (continues to
feed from the selected source until Stop (
X
) is pressed).
4.
Press Stop (
X
) to exit the test.
Sensor Test
Use this test to determine if the input tray sensors are working correctly.
To run the Sensor Test:
1.
From the Diagnostics menu, navigate to:
INPUT TRAY TESTS > Sensor Test
2.
Select the input source. All installed sources appear.
Not all sensors appear for all trays. The following table indicates which tray sensors are available for each
input source:
3.
Manually actuate each sensor. The tray empty sensor can be actuated by hand; however, a sheet of paper
can be used to cover the pass thru sensor. When the sensor is closed,
Closed
appears. When the sensor
is open,
Open
appears.
4.
Touch Back or press Stop (
X
) to exit the test.
Input source
Empty
sensor
Low
sensor
PassThru
sensor Tray Level
sensor
1
Side
Cover
sensor
Standard tray
Optional 550-sheet
drawer
OR
2000-sheet drawer
Multipurpose feeder
1
This sensor registers the following states:
Empty
,
Low
,
Mid
, and
Full
.