Lexmark went on quite the product introduction spree in April. After introducing new 7-Series A4 color laser devices (see “Lexmark Debuts VariTherm Technology in 7-Series A4 Color Lasers”), the company turned to refreshing its 5-Series and 6-Series portfolio of A4 color and monochrome laser printers and multifunction printers (MFPs). The firm’s new color products include