Ink and toner cartridges contain ink or toner for use in industrial printers, fax machines, and copiers. Inks cartridges contain liquids or powders that are printed, sprayed, rolled, or otherwise transferred onto substrates or media to produce text, patterns, print or graphics. Toner cartridges contain a dry powder which has been electrically charged. The image is translated into charges of the opposite polarity so that the toner is attracted to the charged areas. Ink and toner cartridges are available from a variety of manufacturers and are designed for specific types of industrial printers and office equipment. Specifications for ink and toner cartridges include: color, chemical composition, ink drop size, operating temperature, storage temperature, and physical dimensions. Ink colors and toner colors include: black, blue, brown, red, green, gray, magenta, light magenta, cyan, light cyan, orange, purple, white and yellow. Specialty ink and toner cartridges that contain photo black ink or waterproof toner are also available. In terms of chemical composition, industrial inks consist of a colorant, solvent, and additives. Toner particles are usually made of styrene acrylate copolymers or polyester resins.