Pine trees are used in making newspapers and cardboard. Hardwood trees, like oaks, are used to make tissues and other soft papers. Writing paper is often made from several types of trees mixed together so that it will be strong, but also smooth. We've all heard of recycled paper. Making recycled paper is very similar to regular paper.
Used paper is broken down into pulp just like trees.
An additional step has to be added to remove inks and impurities before the paper is completed. Also, fresh pulp is frequently added to recycled pulp to make the final paper stronger. So as you can see, paper making isn't hard once you learn how. You can even make your own paper at home. He used the linen wrapping from the mummies to make paper.