Ink jet printed decoration is now pervasive in all parts of the ceramic industry. And in hobby also.
Inkjet equipment and inks are now big business in ceramics, a renaissance in decoration. At this time this page is just a jumping point to others.
Ceramic Industry has articles on Ink Jet Printing technology in ceramics
Inkjet Decoration of Ceramic Tiles
Theory and description of various ceramic ink and inkjet printing technologies for ceramic tile, the issues technicians and factories face, inket printer product overview.
You can make your own ink (or buy it) and apply it to ware using various methods (e.g. rubber stamping, silk screen, inkjet decals).
Silk screen printing
Silk screen printing is one of the best options for hobbyists and potters to reproduce crisp and detailed decoration for their ware. But there are many details to know.
This process is done by printing a design (using ceramic inks) onto a film coated decal paper, drying it, then transferring the film to the fired ware. But beware of problems.