Lexmark MS312, Service Manual

Page: 170 / 343

Base Sensor Test
Use this to determine that the sensors located inside the printer are operating correctly.
The following sensors can be checked using this test:
•
Narrow Media
•
Input
•
Exit/Output
•
Front Door
CAUTION—SHOCK HAZARD: Do not use your hand to toggle these switches. Use a nonconducting
item.
To run the test:
1
From the Diagnostics menu, navigate to Base Sensor Test .
2
Choose a sensor.
3
Manually actuate the sensor to verify that it toggles. If the sensor does not toggle, then it is malfunctioning.
Sensor Values
Input
Exit/Output
Front Door
Open
Closed
Narrow Media Narrow
Wide
4
Press X to exit the test.
Device Tests
Flash Test
This test verifies the condition of the flash device by writing data to it and then reading data from it.
Warning—Potential Damage: This test deletes all data on the flash device.
1
From the Diagnostics menu, navigate to:
DEVICE TESTS > Flash Test
2
Files will be lost. Go/Stop?
appears.
3
Do any of the following:
•
Press OK to continue.
•
Press X to cancel.
4
When the test starts,
Flash Test Testing…
appears. The test cannot be stopped or canceled after it
has begun.
5
After the test is complete, a message appears indicating a pass or fail result.
6
Press X to return to the Device tests menu.
7
Reformat the flash device using the Flash format setting in the Utilities menu.
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Service menus
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