Lexmark today announced several new business printers. These include: the monochrome Lexmark W840 laser printer (US$2,299 for the base model and $2,899 for the network version); the monochrome Lexmark T640, T642 and T644 laser printers ($699, $799, and $899, respectively); and the Lexmark C920 high-performance color printer ($3,299 for the base model and $3,549 for the network version).