The term 'OLD PAPER SECTION' can be solved by the 4-letter word 'ROTO'. Roto is short for rotogravure, which is a type of printing process used to produce high-quality images and text on paper. It is commonly used in newspapers and magazines to print photographs and other graphics. The rotogravure process involves transferring an image from a metal plate to a cylinder, which then transfers the image to the paper. This method of printing has been used since the early 1900s and is still used today.