Patent ID: 7677688

Claim:
An image forming apparatus for forming an output image on a recording medium according to an input image signal, comprising: radio frequency tag detection means for detecting whether or not a radio frequency tag is arranged in a recording medium supplied for forming an output image; and image forming control means for controlling to generate and form an additional image indicating the presence of the radio frequency tag on the recording medium, when said radio frequency tag detection means detects that the radio frequency tag is arranged in the recording medium, wherein the radio frequency tag includes storage means for storing information, said radio frequency tag detection means reads position information indicating an arrangement position of the radio frequency tag from data stored in the storage means, said image forming control means generates and forms the additional image further serving as a mark of the arrangement position of the radio frequency tag, based on the position information, and the additional image indicating the presence of the radio frequency tag generated and formed by said image forming control means includes a cutting assistant line for cutting at least an antenna of the radio frequency tag, the cutting assistant line indicating a position where the radio frequency tag can be broken.