AR-NB3 (serv.man10). ARNB3 (Network Printing Operation Manual) for when installed on AR-M165 or AR-M207. - Sharp Copying Equipment User Guide / Operation Manual. Page 13

The print image can be rotated 180 degrees.
This feature rotates the print image 180 degrees to enable correct printing on 
paper that can only be loaded in one orientation.
To use this function, select the image orientation in "Image Orientation" on the 
[Paper] tab, and then click on the [Rotate 180 degrees] checkbox.
To open the printer driver, see 

You can print a watermark such as "CONFIDENTIAL" on your document. To print a watermark, open the printer 
driver setup screen, click the [Watermarks] tab, and follow the steps below.
To open the printer driver, see 

From the "Watermark" drop-down list, select the watermark that you wish to print (for example "CONFIDENTIAL"), 
and start printing.

You can enter text to create your own custom watermark. For details on watermark settings, view printer driver Help.
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The procedure for loading paper is explained in the "Operation manual (for general information and copier)".

Print sample