Sharp AR-5316E ユーザーズマニュアル

The print image can be rotated 180 degrees.
This feature is used to enable correct printing on envelopes and other paper with flaps that can 
only be loaded in one orientation.
To use the feature, select the image orientation in "Image Orientation" on the "Paper" tab, and 
then select the "Rotate 180 degrees" checkbox. 

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See 

 for details on how to open the printer driver.

The following example shows correct and incorrect rotation of an address printed on an envelope.

The procedure for loading paper is explained in the Operation Manual.