Lexmark T420 - Jam in the Internal Duplex Unit; Jam in the Multipurpose Feeder

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Jam in the internal duplex unit
What this light sequence means:
The printer detects a jam in the internal duplex unit.
What you can do:
• Clear the jam and the entire paper path.
See Jams under the
printer to clear this jam.
• Press and release Continue to clear the message.
See Jam in the internal duplex unit for more information.
Jam in the multipurpose feeder
What this light sequence means:
The printer detects a jam in the multipurpose feeder.
What you can do:
• Clear the jam and the entire paper path. See Jams in the
multipurpose feeder to clear the jam.
• Press and release Continue to clear the message.