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White spots seen in solid image areas or black/color spots seen where there should be nothing printed. The description "white spots" excludes those with toner cores.
White spots and Fireflies are considered different issues as the former does not consist a core in the center of the unprinted spot.
Small classification | Sample image | Description |
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Black (color) spots Stains are visible as crisp black (color) spots. |
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White spots White spots are visible inside solid image or halftone image area because of missing toner. |
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Spots with toner Toner aggregated inside the machine has been transferred to paper. |
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Fish-shape stains Stains in the shape of small fish which appear to be swimming in the paper feed direction. |
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