Abstract: A printer, system, method and computer program for printing, the printer comprising: a media database arranged to store print media data; a web service system arranged to implement a web service; and communication means for communicating data stored in the media database to a user via the web service. The printing supports media extensibility, and information relating to the printing media, such as color profiles, can be communicated between a user and the printer via a web service.

Abstract: Method of setting up a color separation table for a specific print system, comprising finding first NP (Neugebauer Primary) area coverages of a specific print system that correspond to color values, adding second NP area coverages by converting halftone data from at least one pre-determined pair of halftone data and corresponding color value to NP area coverages, and generating a color separation table arranged as input for a halftone process that comprises color values linked to the corresponding first and second NP area coverages.

Abstract: Method of computing a convex hull in a predetermined color space, comprising determining a print attribute value range pertaining to a reference print attribute value, selecting base NP (Neugebauer Primary) area coverages, comprising area coverages of single NPs and combined NPs, having print attribute values in the print attribute value range, printing and measuring patches corresponding to the base NP area coverages, computing linear combinations of the base NP area coverages, and assigning one of the base NP area coverage or the linear combination of base NP area coverages to the corresponding color, depending on which is closest to the reference print attribute value.

Abstract: The invention relates to a color printing device, whereby the color printing device comprises a reciprocating color measurement device and a reciprocating optical density sensor, to a mobile carriage comprising a color printhead, a color measurement device and an optical density sensor and to a color measurement method comprising the following steps: identify the position of a pattern on a two-dimensional media using a mobile optical density sensor; derive the position of a color patch on the media from the position of the pattern; measure the color of the color patch using a color measurement device.

Abstract: A printer, system, method and computer program for printing, the printer comprising: a media database arranged to store print media data; a web service system arranged to implement a web service; and communication means for communicating data stored in the media database to a user via the web service. The printing supports media extensibility, and information relating to the printing media, such as color profiles, can be communicated between a user and the printer via a web service.