OEM Hammermill Copy Plus Copy Paper is a multipurpose office paper designed for use in high-speed copiers, dry toner plain paper copiers, plain paper fax machines, and offset duplicators. It is ideal for general copying, internal documents, and backup hard copies. The paper features good opacity to minimize show-through and a flat, even surface for consistent ink and toner receptivity. This 20 lb. office paper is acid-free, making it suitable for archival use.