IBM 4332-004 - InfoPrint 40 B/W Laser Printer User Manual page 67

4. While pressing down on the gray handle, slide the rear guide to the
position for your paper size.
5. Prepare a stack of paper.
a. Fan the paper stack to loosen any pages that may be stuck together.
b. Make sure that the tops of the sheets are properly aligned.
Chapter 4. Paper Handling
55