Patent ID: 7123377

Claim:
An image forming system, comprising: an image forming apparatus for executing an image forming operation according to an image forming instruction issued from an image formation instructing device; means for counting the number of sheets for the formation of an image by the image forming apparatus; a RF communication device provided within the image formation instructing device and configured to read a personal ID code from a RF-ID element of an ID card incorporating therein the RF-ID element for storing at least the personal ID code; a number-of-sheets file for storing therein the number of sheets for the formation of each image by the image forming apparatus for each ID code having predetermined bearing on the personal ID code; and means for, when an image forming instruction is given to the image forming apparatus from the image formation instructing device while the RF communication device is reading the personal ID code, storing the number of sheets for image formation based on the image forming instruction, which is counted by the counting means, in the number-of-sheets file in association with each ID code having predetermined bearing on the personal ID code read by the RF communication device, wherein a permit code storage area for storing in advance a permit code for allowing the image forming instruction issued from the image formation instructing device is provided, and the RF-ID element stores the permit code therein and invalidates the image forming instruction when the RF communication device is reading each code unstored in the permit code storage area where the operation for the image forming is effected on the image formation instruction device.