SYMPTOMS | POSSIBLE CAUSES | STEPS TO TAKE |
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Horizontal Lines and | When the interval is about | Wipe it lightly with a soft cloth. |
spots appear | 94mm (4in), the image drum | Replace the image drum |
periodically. | (the green tube) is damaged | cartridge when it is damaged. |
| or dirty. |
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| When the interval is about | Open/close the top cover, and |
| 30mm (1.2in), there may be | print again. |
| foreign particles in the image |
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| drum cartridge. |
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| When the interval is about | Replace the fuser unit. |
| 86mm (3.4in), the fuser unit |
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| is damaged. |
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| The image drum cartridge | Replace the image drum |
| has been exposed to light. | cartridge if the problem is not |
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| resolved. |
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White area of paper is | Paper contains static. | Use paper stored in proper |
lightly stained. |
| temperature and humidity |
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| conditions. |
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| Too thick paper is used. | Use thinner paper. |
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| The toner is low. | Open the top cover and tap the |
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| cartridge a few times to evenly |
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| distribute any remaining toner. If |
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| symptoms persist, replace the |
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| toner cartridge. |
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Periphery of the letters | The LED head is dirty. | Wipe the LED head with a soft, |
is smudged. |
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Toner comes off when | The thickness and type of the | Set the correct value of media |
it is rubbed. | paper are incorrectly set. | type and media weight in the |
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| Media menu or set one value |
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| lighter for media weight. |
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| Recycled paper is used. | Set one value thicker for media |
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| weight in the Media menu. |
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Glossiness is not | The thickness and type of the | Set the correct value of media |
uniform. | paper are incorrectly set. | type and media weight in the |
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| Media menu or set one value |
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| lighter for media weight. |
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Troubleshooting > 100