You will find the barcode on a white label affixed to the toner cartridge. See below examples of what the label can look like.
Click here to login to our client portal to request a replacement by clicking on the "toner returns" tab.
A M Exclusive Business Machines, Inc.
79-63 77th Avenue, Glendale, NY 11385
1-800-FIXES-ME (1-800-349-3763)
1-718-845-2828