Empire Office Machines, like no other company, offers a true 100% satisfactions guarantee to our customers. If for any reason you feel a poor print is being caused by our toners, just call our office and we will send a technician out to check the machine and if the toner is defective a FREE replacement will be given at that time for up to 3 years. If the machine is the cause of the the prior issue a free evaluation and recommendation of repairs needed will be advised at that time.