Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Buyer Beware ... product quality and warranty policy

I ordered this product when our printer indicated that fuser needed to be changed soon. Our computer tech changed the fuser within 2 to 3 weeks of receiving it. After 4-5 months use, the printer began jamming. The problem continued to worsen until we're unable to use the printer because every print job jams. Two different techs said the fuser was the problem and must be replaced, cogs not turning, yada-yada ....Contacted Seller to make right. Response:"We warranty our products for six months from the date of sale with core exchange and three months without."