Price economic and similar or better quality compared with OEM toner cartridge Professional After-salers service,One-Year Waranty; Shelf Time: 18M No leakage & Parcel packed well & Toner cartridge installed easily & No black spot or smudge 100 percent new parts(new shell, new OPC, new rollers, new carbon powder) Page Yield:12,000 Pages for drum,2,600 Pages for toner at 5% Coverage (4A Paper) Quantity:1PK DR630 Drum + 4PK TN660 Toner