Elecom Printer Cleaning Sheet / A4 / 10 sheets New, unopened. Stored at home without being used. (Excerpt from the official website) Cleaning supplies to immediately solve printer problems. This is a single-sided coated printer cleaning sheet that uses a special micro-adhesive method. It is a single-sided coated printer cleaning sheet that uses a special micro-adhesive method. It supports both front and rear paper feeding, and comes with 3 A4-sized sheets. Simply running the cleaning sheet through the printer can clean the dirt on the paper feed rollers. It can remove dust and paper powder attached to the rollers, which are the cause of paper feed problems such as "paper jams," "double feeding," and "empty feeding." It also thoroughly removes ink stains on the rollers, which cause stains on the output paper. Please understand that this item has been stored at home, and only purchase if you are comfortable with this.