A document processing system and method includes a first document processing device configured to send a job completion notification subscription, user account information, charge account information, and usage restriction information to a second document processing device, and in response receive job usage information from the second document processing device for each document processing operation completed by the second document processing device, such as printing, scanning, photocopying, and faxing. The first document processing device updates the user account, charge account, and usage restriction information based on the received job usage information, and sends updated user account, charge account, and usage restriction information to the second document processing device.