Lexmark X940E, Service Manual

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Diagnostic aids
3-11
7510
•
Single –Feeds one sheet of media from the selected source.
•
Continuous –Media continues feeding from the selected input source until Stop is pressed.
Sensor Test (input tray)
This test is used to verify that a specific input tray’s sensors are working correctly.
To run the Input Tray Sensor Test:
1. Touch INPUT TRAY TESTS from the Diagnostics Menu.
2. Touch Sensor Test .
After selecting Sensor Test , the LCD displays each installed input source, one source per line. When you select
an input source, the LCD displays the selected input source in the header row, and then displays the name of
each of the source’s sensors below the header row, one to a line. You must select a specific sensor from this list
in order to view and toggle the sensor’s state. The table below indicates which sensors are available in each
input tray.
1 Feed-out Testing...
appears on the LCD with the sensor’s current state (Open or Closed).
2 Media out Testing...
appears on the LCD with the sensor’s current state (Open or Closed).
3 Media level Testing...
appears on the LCD with the sensor’s current state (Open or Closed).
4
Tray 1 present...
appears on the LCD with the sensor’s current state (Open or Closed).
After selecting a specific sensor, you can manually toggle the sensor between its two values (Open or Closed).
The LCD displays
Open
when the sensor is open, and
Closed
when the sensor is closed. If the wrong
message is displayed, then the sensor must be malfunctioning.
Press
Stop
to exit the test.
OUTPUT BIN TESTS
Feed Tests (output bins)
Use these tests to verify that media can be fed to a specific output bin. Media is fed from the default input source
to the selected output bin. No information is printed on the media fed to the output bin because the printhead is
not engaged during this test. These tests can use any media size or envelope supported by the printer.
To run the Feed Tests for the output bins:
1. Touch OUTPUT BIN TESTS from the Diagnostics Menu.
2. Touch Feed Tests .
3. Touch the output bin you want the paper to exit into. The standard bin as well as any output option bin
installed on the printer is shown on the menu.
•
Standard Bin
•
Output Bin 1
4. Touch either
Single
or
Continuous
.
•
Single
–Feeds one sheet of media from the selected source.
Input source
Sensors
Feed-out
1
Media out
2
Media level
3
Tray 1 present
4
Tray 1 Yes Yes Yes Yes
Tray 2 Yes Yes Yes Yes
Tray 3 Yes Yes Yes Yes
Tray 4 Yes Yes Yes Yes
MP Feeder No Yes No No