Warranty Specifications: ▷Warranty Period:3 Months(Calculated by sales date) ▷Warranty Certificate:Warranty label is on the back of the print head,don't damage it. ▷Warranty Conditions:non-human and physical damage.(Example:white spots on the surface of the printhead,abrasion,deformation, burning head etc.are not covered by the warranty) Purchase Notes: . 1.Regarding the scratch of the printhead . Q:Many customers reacted,and the newly bought printhead has scratches,is it a brand new product? A:To determine whether a printhead is brand new,it should be based on the state of the thermal film section.The aluminum film on the original printhead will have scratches.Because these soft aluminum sheets are very easy to scratch during storage and production. This is a phenomenon that has already existed when the manufacturer produces it. 2.About the printing effect . Q:There’re many customers who have installed the printhead and found that the printing effect is not ideal,so our printhead is not original. A:No,some printing effect isn’t ideal because your printer isn’t set up.When this problem occurs,please take a picture and send it to our online customer service for consultation. . 3.About printhead life . *The life of the printhead is directly related to the label carbon used by the printer.