Using Overlays Overlays are stored constructs of text, boxes, lines, graphics, images, and bar codes with all the instructions needed to print. They are often in complex configurations. An overlay is always printed in the same format as it was stored in and can be positioned anywhere on the page. Overlays are useful for letterheads and forms as shown in the following figure. Figure3.UsingOverlays Chapter 1. What are the IBM Advanced Function Printing Utilities for iSeries? 7