*Model no:lexmark E230 laser toner cartridge. *Color of the lasertonercartridge:Black. *Page yield: 33000 page. *Printers suitable use in:Dell 1700/1700N/1710/1710N Lexmark E230/232/330/ 332/234/240/340/342 IBM 1412/1412n/1512/1512n. *Packing: Size of box:350x120x165 mm. Size of cartron:625x365x355 mm. Pcs/Carton:10 pcs Pcs/20# container:3375 pcs. *Environmental specifications: Operating humidity 20 to 80% RH. Storage humidity 10 to 90% RH. Operating temperature 50 to 86° F. Storage temperature -4 to 104° F. *We're providing a full range of inkjet and toner/laser cartridges in good performance-price ratio, your further inquiry will be warmly welcome.