Ricoh Aficio SP4100N - When Remove Misfeed Duplex Unit Appears

11. Push the lock levers of the fusing unit down until they click.
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Proceed to step 13 if the optional duplex unit is installed.
12. Position the rear cover horizontally and align it with the grooves in the printer's interior.
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13. Close the rear cover.
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Removing Misfed Paper
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