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| When You Cannot Make Clear Copies |
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| Problem | Causes | Solutions |
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A shadow appears on copies if | Image density is too dark. | Adjust the image density set- |
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you use pasted originals. |
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| Density”, Copy Reference. |
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| Change the orientation of the |
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| original. |
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| Put mending tape over the |
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| pasted areas. |
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| 2 | |
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The same copy area is dirty | The exposure glass or ARDF is | Clean them. See p.113 “Main- |
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whenever making copies. | dirty. |
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Copies are too light. | Image density is too light. | Adjust the image density set- |
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| tings. See “Adjusting Image |
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| Density”, Copy Reference. |
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Copies are too light. | The paper is damp or rough. | Use the recommended paper. |
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| Also, use paper that has been |
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| stored in the recommended |
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| temperature and humidity |
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| conditions. See “Copy Paper”, |
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| About This Machine. |
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Copies are too light. | The toner bottle is almost | Add toner. See p.97 “Adding |
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| empty. |
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Parts of the paper are not copied. | The original is not placed correctly. | Place originals correctly. See “Plac- |
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| ing Originals”, Copy Reference. |
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Parts of the paper are not copied. | The correct paper size is not | Select the proper paper size. |
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| selected. |
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White lines appear. | The exposure glass or scan- | Clean them. See p.113 “Main- |
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| ning glass is dirty. |
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Copies are blank. | The original is not placed correctly. | When using the exposure glass, |
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| place originals face down. |
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| When using the ARDF, place |
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| them face up. See “Placing |
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| Originals”, Copy Reference. |
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A moiré pattern is produced | Your original has a dot pat- | Place the original on the expo- |
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on copies. | tern image or many lines. | sure glass at a slight angle. |
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15