The Resample options on the Image Processing tab allow you to create image or files in custom sizes. The resampling features are not a replacement for choosing the proper page size on the Advanced Options dialog, or setting up a custom paper size through the Advanced Features tab.
You can resample images by choosing Pixels, Percentage (%) or Resolution (DPI). To prevent image distortion (a stretched or squished image), Lock Aspect Ratio can be left checked to have Raster Image Printer calculate the height needed automatically.
See the following sections for step-by-step guides to using the cropping features: