Specification: 1.Oem model number: Hpcb435a;canon crg-912/712/312 2.For use in printer model: Hp lj p1000/p1005/p1006;canon lbp-3010/3100/3018/3108/3050 3.Color: black 4.Page yield: black, 1, 2000 (a4, 5% coverage) 5.Toner net:450g/pc Advantage 1.Convenient and fast:its simple to refill, its only one step that open the dome and fill the toner, you neednt to split and clean, all work only need one minute.Any toner operator can handle it. 2.Safety:we have unique toner bottleneck structure, no toner will float in the air when you handle it.So it wont pollute your hand and your office environment, of course, you neednt worry the harm for your health. 3.Save money: it has overlong life. At present the product like 12a/88a series can achieve and outnumber 12000 page, its 6-10 times than other similar toner cartridge. In the meantime, you can save your purchasing cycle, reduce your stock and highly reduce your print cost. 4.Environmental protection: one side our waste toner is automatic recycle, its hardly any waste toner, so it eliminates the pollution from the waste toner, the other side, it has a overlong life, which can reduce the quantity of the toner, accordingly highly reduce the waste toner and achieve the really energy conservation and environmental protection. 5.High quality:we have multiterm proprietary technology.All materials and accessories are from high quality brands, and we have strict quality control on productive process which ensure the product have overlong life.