Patent ID: 7729000

Claim:
An image processing system including a plurality of image forming apparatuses each connected to a network, each of said plurality of image forming apparatuses including: a print data reception portion to receive print data and user identification information for identifying a user; an image forming portion to perform image formation on print data; a prohibition portion to prohibit said image forming portion from performing image formation on said received print data, relate said print data with the user identification information received together with said print data, and store said received print data in a storage device before said received print data is subjected to image formation by said image forming portion, when a prescribed time has passed since said print data was received or when an input of an instruction to protect said print data is accepted; an operation accepting portion to accept an input of an operation by a user; an authentication portion to authenticate the user identification information accepted by said operation accepting portion; a print data obtaining portion to obtain print data related with said authenticated user identification information from another image forming apparatus connected via said network; and an output portion to allow said image forming portion to perform image formation on said print data obtained by said print data obtaining portion.