Image forming device, image forming system and image forming method for image with high-density area

摘要

An image forming device includes an image forming unit in communication with a printing data memory unit and configured to print first and second printing data on a front side of a recording medium, and a recording medium re-feeding mechanism unit configured to re-feed the recording medium to the image forming unit to enable the image forming unit to over-print one of the first printing data and the second printing data on the front side of the recording medium at the image forming unit.