We are offering diy refilled toner cartridge hp12a. diy refilled, it can be refilled within one minutes. No powder float when refill, no need to dump waste powder, it can recycle automatic. Can reifill above six times, saved 60% print cost re: second generation of diy refilled toner cartridge(page yield >12000 pages) specification: 1.oem model number: hpq2612a/2612x, camnon crg-303/103/703, canon fx-9/fx-10 2.for use in printer model: hp lj 3050/3052/3055;m1005/1319f; canon lbp-2900/3000 canon l100/120/140/160; ic mf4010/4012/4120/4122/4150/4270/4680 3.color: black 4.page yield: black, 1, 2000 (a4, 5% coverage) 5.toner net:450g/pc advantage convenient and fast: 1.simple to refill, only one step is to open the white cap and fill the toner. 2.needn’t to split and clean, 3.anybody can handle it within one minute. safety: unique toner bottleneck structure ensure that no toner float in the air when you handle it, it’s very clean and safe. save money: 1. Overlong life. 2. High page yield(>12000), 6-10 times than other similar cartridge. 3. Save purchasing cycle, stock cost, transport cost, print cost environmental protection: 1.waste toner is automatic recycle, hardly any waste toners are produced. 2.overlong life can reduce the quantity of the cartridge, thus reduce the waste cartridge number and achieve the really energy conservation and environmental protection. high quality: 1.all materials are from high quality brands. 2.strict quality control on productive process, 100% checked for all orders.