Patent ID: 7675419
Filing Date: 2010-03-09
Classification: G06F

Abstract:
1. A shared printer to print documents based on a task permission level of a user obtained through radio frequency identification (RFID) information, the shared printer comprising: an RFID transceiver unit to periodically retrieve the RFID information including at least one of an ID of a user and the task permission level of one or more corresponding RFID chips; a controller to determine whether to perform a print task based on the retrieved RFID information and to control the printing by the shared printer based on the determination; and a memory unit to store log information including a print count value corresponding to the RFID chip when the print task is completed, wherein if the user ID retrieved by the RFID transceiver unit is determined to be a pre-stored ID in the memory unit, the controller reduces a print count value corresponding to the RFID chip in the memory unit.