Parts of the developed images and letters are not reproduced.
Small classification  | 
Sample image  | 
Symptom/ Reference  | 
|---|---|---|
White zone Part of a solid image or halftone is missing.  | 
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Wormholes The outline of a letter (or a line) is reproduced but the inside of it is missing.  | 
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Halo There is a white line around a solid object.  | 
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Negative residual image Previously copied image is reproduced with its black and white reversed on the same page or the next page.  | 
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Positive residual image Previously copied image is reproduced on the same page or the next page.  | 
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Offset The same image is repeatedly transferred in the same interval.  | 
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Missing image Developed image slided in the subscan direction or missing.  |