WL-226 WELLHISE A4 SIZE REPAIR PAD can be a spare part used in repair and maintenance operations for a specific device or equipment. It is usually used for devices that process A4 size documents, such as printers, photocopiers or other office equipment. This repair pad may be designed to perform operations such as cleaning, lubricating or adjusting parts inside or on the device. The code WL-226 may refer to the part number of a particular manufacturer or supplier. Instructions for use and appropriate safety precautions can be found in the instrument’s manual or on the manufacturer’s website.