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| Symptom | Possible Cause | Remedy |
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| The ADF glass areas. | Clean the ADF glass areas. See |
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| Vertical lines appear on the |
| page 81. |
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| scanned document. |
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| The reference plates. | Clean the reference plates. See |
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| page 81. |
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| The ADF glass areas or reference | Clean the ADF glass areas and |
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| The scanning density is | plates are dirty. | reference plates. See page 81 and |
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| page 86. |
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| uneven. |
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| The distribution of the quantity of light | Perform the shading adjustment. |
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| in the scan varies. | See page 130. |
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| The color of the scanned | The settings of the computer display or | Adjust the computer display and monitor |
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| document is very different | the monitor are not correct. | settings. |
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| from the original document. |
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| Dark spots or noise appear | The ADF glass areas or reference | Clean the ADF glass areas and |
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| on the scanned documents. | plates are dirty. | reference plates. See page 81 and |
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| page 86. |
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| Scanned image has moire | This is caused by the original printing | Use the moire reduction function or |
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| fringes or patterns, such as | pattern on the document and the | change the scanning resolution, then |
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| stripes or wavy pattern | selected scanning resolution. | scan the document again. |
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| noise. |
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| Image crop failures with | There are unwanted objects such as | Examine and clean the reference plates. |
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| VRS scanning. | paper or dust on the reference plates. | See page 81. |
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www.bbhscanners.com | 105 of 142 |
