Print options – PostScript > 68Speed Print: Choose this setting to speed print a job so that when the sheets are stackedand cut from the central position, the job is numbered in order and separated as two stacks.The order of print is such that when they are cut in half, they can be combined to form asingle complete set of the document, in faster printing time.CENTER MARGINUse the Center Margin option to specify a fixed margin value (0–50 millimeters or 0.00–1.97 inches) at the folding line for booklet printing.CENTERING ADJUSTMENTUse this option to specify how you want the image positioned on the page relative to X(horizontal) and Y (vertical) axes, or to the left and right margins, of the page.The following table describes the Centering Adjustment settings:Simplex DuplexFront only Front BackNOTEThe Center Margin option is available only when Booklet Maker is selected.NOTECentering Adjustment is available only when Booklet Maker is selected,Orientation set to Portrait, and N-up Layout set to either 1-up or 2-up.CENTERING ADJUSTMENT SETTING IMAGE POSITION ON PAGEXY CenteringPositions the image in the center of the pageBottom X CenteringPositions the image flush with the bottom ofthe page