| Problem | Cause | Solution | |
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| Marks repeatedly appear at even | The device is not set to print on the type | In the printer driver, select the Paper tab | |
| intervals on the printed side of the page. | of media on which you want to print. | and set Type is to match the type of | |
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| paper on which you are printing. Print |
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| speed might be slower if you are using |
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| heavy paper. |
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| Internal parts might have toner on them. | The problem typically corrects itself after |
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| a few more pages. |
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| The paper path might need cleaning. | Clean the paper path. |
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| The fuser might be damaged or dirty. | To determine if the fuser has a problem. |
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Clean the paper path.
A toner cartridge might have a problem. To determine which cartridge has a problem. Print the
Marks repeatedly appear at even intervals on the unprinted side of the page.
Internal parts might have toner on them. | The problem typically corrects itself after |
| a few more pages. |
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The paper path might need cleaning. | Clean the paper path. |
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The fuser might be damaged or dirty. | To determine if the fuser has a problem. |
| Print the |
| Clean the paper path. |
The printed page contains misformed characters.
The media might not meet HP | Use a different paper, such as high- |
specifications. | quality paper that is intended for color |
| laser printers. |
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If characters are incorrectly formed so | Verify that the problem also occurs on |
that they produce a wavy effect, the | the configuration page. |
laser scanner might need service. |
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The printed page is curled or wavy.
The device is not set to print on the type | In the printer driver, select the Paper tab |
of media on which you want to print. | and set Type is to match the type of |
| paper on which you are printing. Print |
| speed might be slower if you are using |
| heavy paper. |
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The Service menu item Less Paper Curl is | Use the |
set to Off. | the setting. |
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The media might not meet HP | Use a different paper, such as high- |
specifications. | quality paper that is intended for color |
| laser printers. |
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Both high temperature and humidity can | Check the device environment. |
cause paper curl. |
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194 Chapter 2 Solve problems | ENWW |