Patent ID: 7649642

Claim:
A method of printing documents on a network printer, comprising: defining a print job at a source station of a user for submission to and eventual printing in the printer, said print job including print data and print process parameters, the print process parameters including a specification of a print media for printing thereon images according to the print data, each media having print media properties including physical media properties for controlling the printing process in the printer, and the printer having trays for media and a registry for registering media lodged in the trays, the defining step including: a generic print media specifying process, in which a print media for printing thereon images according to the print data is selected by the user within constraints of a general set of media available for any user of the printer, and an alternative, specific, print media specifying process, in which a job-proprietary print media not included in the general set is specified for respective print job by entering, through an operating unit of the source station, a free-form definition character string, as an identifying property of said job-proprietary media, wherein said job-proprietary media is not entered into said general set of media available for any user of the printer, wherein the job-proprietary print media is registered in the registry upon loading the job-proprietary print media in a tray in connection with printing the respective print job, until reprogramming the registry for said tray.