Troubleshooting
If You Cannot Make Clear Copies
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| Problem | Cause | Action |
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| Copies appear dirty. | The image density is too | Adjust the image density. ⇒ p.38 |
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| dark. | “Adjusting Copy Image Density” |
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| Auto Image Density is not | Select Auto Image Density. ⇒ p.38 |
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| selected. | “Adjusting Copy Image Density” |
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| The reverse side of an orig- | The image density is too | Adjust the image density. ⇒ p.38 |
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| inal image is copied. | dark. | “Adjusting Copy Image Density” |
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| Auto Image Density is not | Select Auto Image Density. ⇒ p.38 | |
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| selected. | “Adjusting Copy Image Density” |
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| A shadow appears on cop- | The image density is too | Adjust the image density. ⇒ p.38 |
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| ies if you use pasted origi- | dark. | “Adjusting Copy Image Density” |
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| nals. |
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| Change the direction of the original. | |
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| Put mending tape on the pasted |
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| part. |
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| The same copy area is dirty | The exposure glass or doc- | Clean them. ⇒ p.210 “Maintaining |
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| whenever making copies. | ument feeder is dirty. | Your Machine” |
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| Copies are too light. | The image density is too | Adjust the image density. ⇒ p.38 |
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| light. | “Adjusting Copy Image Density” |
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| The paper size is not ap- | Use the recommended paper. |
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| propriate. | 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 cartridge is almost | Add toner. ⇒ p.162 “DAdding |
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| empty. | Toner” |
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| Parts of the image are not | The original is not set cor- | Set originals correctly. ⇒ p.31 “Plac- |
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| copied. | rectly. | ing 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 set cor- | When using the exposure glass, face |
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| rectly. | the originals down. When using the |
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| document feeder, face them up. ⇒ |
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| p.31 “Placing Originals” |
A moiré pattern is pro- | Your original has a dot pat- | |||||
duced on copies. |
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| tern image or many lines. | |||
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| R |
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| y;yy;;yy;; |
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Place the original on the exposure glass at a slight angle.
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