Sharpening a meat cleaver is relatively easy. First, disconnect the slicer and take it apart. Remove the blade and wash with warm, soapy water. Then clean the blade with a towel. Then use a whetstone to sharpen the blade. Start with a coarse-grained stone and change to a finer-grained stone as needed. Be sure to follow the manufacturer's instructions for proper grinding techniques. If the blade is sharp, reassemble the food slicer and store it in a cool, dry place.