Mitsubishi cp3020du Operating Guide

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Press to turn on power.  Press again to turn off power.
When the power is turned on, POWER indicator
illuminates.

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The lamp illuminates when the printer is turned ON.

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When a paper jam occurs, this indicator blinks. When
the top cover is open or an error concerning the
combination of print paper and ink sheet occurs, it
lights up.

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When an error concerning print paper or ink sheet
occurs or this unit is initializing, this indicator blinks.  When
an error concerning the combination of print paper and
ink sheet occurs, it lights up.

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When this unit is overheated or transferring data, this
lamp blinks. It lights up during printing.

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When this unit is overheated, continuous printing is
canceled, or during initialization, this indicator blinks. It
lights up during data transfer, during printing, or when
printing is available.

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 When using Letter Long size paper,

this button is not available.

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Press to open the top cover. Open the top cover when
installing an ink sheet or clearing a paper jam.

Do not press OPEN button during printing. Doing so
may cause a print error and malfunction of the printer.

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Sets print paper. Remove shipping inserts before using.
Printed paper comes out on this tray. Make sure to install
it when using the printer.