Product Brand: GREENBOX Product item: Waste Toner Box Replacement for WT201, WT-201 Compatible Printer: Imagerunner Advance C250,C250if,C255,C256,C350,C356. ImageClass MF810, MF820 - FM0-0015,FM00015, WT-A3 Package Includes: 1x 331-8438 NTYFD C2660 Waste Toner Container Pack(30,000 Pages) Friendly Tips: There will be a little noise when printing. It is very normal for the Compatible Waste Toner Box. Please note that it will not affect printing and damage your printer.