toner
Definition: (1) Chemical solution used to alter silver or other metal-based image by replacing the metal with another or forming a compound: usually used to (a) change image colour, also (b) improve archival qualities (c) to improve tonality. (2) Carbon or other extremely fine particles which are electrically charged in xerography or laser-printing to form the copy or print. (3) Powdered pigments used in certain colour proofing systems e.g. Chromalin. (4) Pigments or dyes used to darken an ink used on printing presses; the resulting ink may also be referred to as toner.
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