Lexmark C750 - Incorrect Media; Infrared <X; Insert Staple Cartridge; Insert Tray <X

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Incorrect Media
What this message means:
The printer detects a media type mismatch feeding from the multipurpose feeder.
What you can do:
•
Replace the media in the multipurpose feeder with the requested media
and press Go.
• Press Menu to access the Busy/Waiting Menu group, and select one of the following
options:
– Cancel Job
– Reset Printer
– Reset Active Bin
Infrared <x>
What this message means:
An infrared interface is the active communication link.
Insert Staple Cartridge
What this message means:
The staple cartridge in the finisher is missing or is installed incorrectly.
What you can do:
•
Correctly install the staple cartridge to clear the message.
• Press Go to ignore the message and continue printing without stapling.
Insert Tray <x>
What this message means:
The specified tray is either missing or not fully inserted into the printer.
What you can do:
Insert the specified tray completely into the printer.
See also:
Loading the trays