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