Lexmark offers some if the best printers to its users and T Series printers are one of them. The T Series printers offer quality performance prints of an impressive level. The T Series printers consist of 61 entirely different printers that offer wide range of options to users depending on both their usages as well as their budget. T 420, T 642, T 630, T 642dn, T 630n etc. are some of the devices from the T Series printers. All the printers from this series offers highly efficient performance at great pace.