1. A print mediator comprising: an interface module which serves as an interface for a document to be submitted for printing, the interface module communicating with an associated printing infrastructure for acquiring color rendering information for a print queue of the printing infrastructure; a first reviewing application capable of communicating with the interface module for receiving the acquired color rendering information, the first reviewing application generating a visual representation of a document to be submitted for printing based on the color rendering information communicated by the interface module, the first reviewing application detecting problems relating to color rendering by the printing infrastructure and proposing corrections for the problems, the first reviewing application being configured for displaying the visual representation on a first display and for receiving, as input, a first user's annotations to the document and for receiving the first user's decision on the proposed corrections; and at least one of the first reviewing application and a second reviewing application capable of communicating with the interface module for enabling a second user to review the document on a second display after it has been submitted to the interface module.