Do the application documents for invention patents need paper?

The paper quality of the application documents requires that the paper quality of the application documents should be equivalent to that of the copier. No useless words, marks, boxes, lines, etc. On the paper. All documents shall be A4 size (2 10/0mm× 297mm) paper. The paper of application documents should be used vertically. The text is arranged from left to right, with 25 mm blank in the upper left and 15 mm blank in the lower right, which is convenient for publication and review. The front pages of all parts of the application documents must use the format uniformly formulated by China National Intellectual Property Administration.