AR-PE3 (serv.man10). ARPE3-Job Management Guide - Sharp Copying Equipment User Guide / Operation Manual. Page 127

You can specify imposition settings using controls in the Sheet, Layout, Scale, and 
Finishing panes on the left side of the main window. To view or hide a settings pane, 
click the bar for that settings group.

You can change the default unit of measurement for all input fields in the 

Command WorkStation Preferences dialog box. You can also specify any unit of 
measurement in any field that accepts input by adding one of the following 
abbreviations to the new value:

• “i,” “in,” or the inch symbol (") specifies inches, for example: 8.5 i, 8.5 in, 8.5"

• “mm” specifies millimeters, for example: 8.5 mm

• “pt” or “pts” specifies points, for example: 8.5 pts

Sheet settings allow you to specify characteristics of the paper on which the job is to be 
printed, such as dimensions, thickness, orientation, and whether it will be printed on 
one or both sides.