Electronics For Imaging, Inc. unveiled two new printers for the high-end, high productivity soft signage market: The EFI COLORS 340 and the EFI POWER 340.   The EFI COLORS 340 prints at up to 9,149 square feet per hour (in a four-color x 4 configuration). The EFI POWER 340 prints up to 16,835 square feet per hour.   Both new offerings have the ability to print with higher quality on a wider range of materials than other soft signage inkjet devices, with 100% penetration on both sides of ...