Lexmark Optra C Service Manual - Page 107
Diagnostics Mode, The printer performs the Power-On Self Test.
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5045-001 Diagnostics Mode To run the printer diagnostic tests, you must put the printer in Diagnostics mode. The Video Controller board must be plugged into the connector board (normal state). Note: Entering the Diagnostic mode clears NVRAM. To enter Diagnostics mode: 1. Turn the printer off. 2. Press and hold the Ready and Return buttons while turning the printer on. 3. Release the buttons when [Performing Self Test] is displayed. The printer performs the Power-On Self Test. 4. You can exit Diagnostics mode without a POR by selecting [Reset Printer]. Diagnostic Aids 3-2
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Diagnostic Aids 3-2
5045-001
Diagnostics Mode
To run the printer diagnostic tests, you must put the printer in
Diagnostics mode. The Video Controller board must be plugged into
the connector board (normal state).
Note:
Entering the Diagnostic mode clears NVRAM.
To enter Diagnostics mode:
1.
Turn the printer off.
2.
Press and hold the Ready and Return buttons while turning the
printer on.
3.
Release the buttons when [Performing Self Test] is displayed.
The printer performs the Power-On Self Test.
4.
You can exit Diagnostics mode without a POR by selecting
[Reset Printer].