Diagnostic aids 3-17
5025-2xx, 4xx
Miscellaneous tests
Motor Detect
This test initiates an automatic motor detection process that should be performed whenever the controller board
is replaced.
To run Motor Detect:
1. Remove the imaging unit and the waste toner bottle. See “Imaging unit (IU) removal” on page 4-49.
2. Reinstall the right cover assembly.
3. Close the front cover.
4. Enter Diagnostics menu (Turn the printer off, press and hold Left ( ) and Select ( ), turn the printer on,
and release the buttons when the installed memory and processor speed displays.
5. Select MISC TESTS in the Diag Menu, and press Select ().
6. Select Motor Detect, and press Select ( ).
If you press Select before closing the front cover, a message appears: Close Cover. Press Select.
Motor Detection In Progress… appears.
The motor detection process takes about 10 seconds, and stops automatically.
Detect Complete. Rebooting… appears, and the printer performs a POR (Power On Reset).
If the motor ran, the test was passed. If the motor did not run, the test failed.
Device Tests
Flash Test
This menu item appears only if the flash card is installed. Data is written to the flash card and read back to check
the accuracy.
Warning: This test deletes all data stored on the flash device. After the test is over, reformat the flash using
Format Flash in the customer Utilities Menu.
To run the Flash Test:
1. Select DEVICE TESTS from Diag Menu, and press Select ().
2. Select Flash Test, and press Select ().
Contents will be lost. Continue? appears.
3. To continue, select Yes, and press Select ( ). To end the test, select No, and press Select ().
If you continue, Flash Test Testing… appears.
• If the test is successful, Flash Test Test Passed appears. Use Format Flash in the Utilities Menu to
reformat the flash card.
• If the test is unsuccessful, Flash Test Test Failed appears. Replace the flash card.
4. Press Back ( ) to remove the message and return to the Device Tests menu.
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