All toner cartridges and drum units in GREENCYCLE meet the ISO9001 and ISO14001. Compatible new toner cartridge and drum unit unconditionally guaranteed to provide same performance and reliability as genuine Brother toner cartridges / drum units. Yield: Toner/drum up to 2,600/12,000 pages at 5% coverage (Letter size Paper) Actual toner yield varies with usage, graphics printed and environmental conditions. Compatible Brother Printer below: DCP-7030, DCP-7040, DCP-7045N, HL-2140, HL-2150N, HL-2170W, MFC-7320, MFC-7340, MFC-7345DN, MFC-7345N, MFC-7440N, MFC-7840W High performance: top materials (smooth gear, top toner Powder) ensures high compatibility and reliable performance. Adhesive toner powder, resistant to color fading of all kinds, smudging, and bleeding. Make your presentations and printouts stand out with this GREENCYCLE premium-grade toner that produces clear, crisp, bold, and eye-catching text and graphics that ensure that people stay awake at your next meeting.