Troubleshooting
Cannot Make Clear Copies
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| Problem | Cause | Action |
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| Copies appear dirty. | The image density is too dark. | Adjust the image density. See |
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| p.23 “Adjusting Copy Image |
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| Density”. |
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| The reverse side of an original | The image density is too dark. | Adjust the image density. See |
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| image is copied. |
| p.23 “Adjusting Copy Image |
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| Density”. |
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| A shadow appears on copies if | The image density is too dark. | Adjust the image density. See |
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| you use the pasted originals. |
| p.23 “Adjusting Copy Image |
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| Density”. |
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| Change the original direction. |
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| Put mending tape on the past- |
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| ed part. |
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| The same copy area is dirty | The exposure glass, exposure | Clean them. See p.63 “Main- |
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| whenever making copies. | glass cover, or document feed- | taining Your Machine”. |
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| er (ADF) white sheet is dirty. |
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| When copying with the docu- | Your document feeder (ADF) | Clean the document feeder |
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| ment feeder (ADF), black lines | might be dirty. | (ADF) with a cloth. See p.63 |
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| appear in a copy. |
| “Maintaining Your Machine”. |
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| Copies are too light. | The image density is too light. | Adjust the image density. See |
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| p.23 “Adjusting Copy Image |
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| Density”. |
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| Damp or rough grain paper is | Use dry paper without rough |
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| used. | grain. |
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| Toner cartridge is almost | Add toner. See p.44 “h |
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| empty. | Changing the Toner Car- |
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| tridge”. |
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| Parts of the image are not cop- | The original is not placed cor- | Place originals correctly. See |
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| ied. | rectly. | p.19 “Placing Originals”. |
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| An improper paper size is se- | Select the proper paper size. |
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| lected. |
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| Copies are blank. | The original is not placed cor- | Place originals correctly. See |
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| rectly. | p.19 “Placing Originals”. |
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| The side of the original placed | Place originals correctly. |
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| is incorrect. |
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| A moire pattern is produced | Your original has a dot pat- | Change the original direction. |
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| on copies. | tern image or many lines. |
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