If you want to make more precise adjustments, follow these steps:
1.Click the 
scale button on the Copy Utility control panel. You see this window:
Click and drag to resize your image by an exact percentage.
Click to fit your image to a standard page size, or preview it before you resize it.
You can use the slider to reduce or enlarge your image by an exact percentage. Then click OK to return to the control panel.
2.To automatically resize your image to fit a standard page size, select Fit to Page. You see this window:
.
Click and drag to resize your copy.
Click and drag to select an area to copy.
Copying 25