Lexmark C750 - Close Door; Close Finisher Door; Close Tray X Door

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Close Door
What this message means:
The printer front cover is open.
What you can do:
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Close the printer front cover to clear the message.
Close Finisher Door
What this message means:
The finisher top cover is open.
What you can do:
Close the finisher top cover to clear the message.
Close Tray X Door
What this message means:
The 2000-sheet drawer is open.
What you can do:
Close the 2000-sheet drawer to clear the message.
Copying
What this message means:
The printer is processing a copy job originating from an OptraImage™ scanner.
What you can do:
Wait for the message to clear.