Troubleshooting
If You Cannot Make Clear Copies
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| Problem | Causes | Solutions |
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| Copies appear dirty. | Image density is too dark. | Adjust the image density. See p.28 |
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| “Adjusting Image Density”. |
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| The reverse side of an orig- | Image density is too dark. | Adjust the image density. See p.28 |
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| inal image is copied. |
| “Adjusting Image Density”. |
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| A shadow appears on cop- | Image density is too dark. | Adjust the image density. See p.28 |
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| ies if you use pasted origi- |
| “Adjusting Image Density”. |
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| nals. |
| Change the orientation of the origi- |
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| nal. |
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| Put mending tape over the pasted |
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| areas. |
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| The same copy area is dirty | The exposure glass or ADF | Clean them. See p.67 “Maintaining |
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| whenever making copies. | is dirty. | Your Machine”. |
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| Copies are too light. | Image density is too light. | Adjust the image density. See p.28 |
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| “Adjusting Image Density”. |
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| The paper is not appropri- | Use the recommended paper. |
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| ate. | Note |
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| ❒ A light copy may result when |
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| you use damp or rough grain pa- |
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| per. |
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| Toner bottle is almost emp- | Add toner. See p.54 “D Adding |
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| ty. | Toner”. |
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| Parts of the paper are not | The original is not placed | Place originals correctly. See p.19 |
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| copied. | correctly. | “Placing Originals”. |
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| An improper paper size is | Select the proper paper size. |
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| selected. |
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| Copies are blank. | The original is not placed | When using the exposure glass, |
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| correctly. | place originals face down. When us- |
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| ing the ADF, place them face up. See |
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| p.19 “Placing Originals”. |
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| A moiré pattern is pro- | Your original has a dot pat- | Place the original on the exposure |
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| duced on copies. | tern image or many lines. | glass at a slight angle. |
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