Lexmark MS312 User Manual page 134

Clearing jams
7
Insert the imaging unit by aligning the arrows on the side rails of the unit with the arrows on the side rails inside
the printer, and then insert the imaging unit into the printer.
8
Insert the toner cartridge by aligning the side rails of the cartridge with the arrows on the side rails inside the printer,
and then insert the cartridge into the printer.
9
Close the front door.
10
From the printer control panel, press
Jam, rear door [20y.xx]
1
Press the button on the right side of the printer, and then open the front door.
to clear the message and continue printing.
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