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In page Inkjet printing:

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U.S. Patent 6,319,530 describes a "Method of photocopying an image onto an edible web for decorating iced baked goods". In other words, this invention enables one to inkjet print a food-grade color photograph on a birthday cake's surface. Many bakeries now carry these types of decorations, which are printable using edible inks and dedicated inkjet printers.[citation needed] Edible ink printing can be done using normal home use inkjet printers like Canon Bubble Jet printers with edible ink cartridges installed, and using rice paper or frosting sheets.[citation needed]