Troubleshooting
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Stray black dots or white areas | The paper is outside the | Replace the paper with a recommended | ||||||||
(drop outs). | recommended specification | size and type, and confirm that your | ||||||||
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| range. | control panel / printer driver settings are |
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| correct. For details, see Usable Paper on |
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| page 52. |
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| The transfer belt unit is old or | Replace the transfer belt unit. |
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| damaged. |
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| The toner cartridges are not | Verify that the toner cartridges meet |
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| Xerox toner cartridges. | specifications and replace them if |
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| necessary. For details, see Consumables |
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| on page 114. |
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• Vertical black or color | • The transfer belt unit is old | Verify that the toner cartridges meet | ||||||||
streaks or multiple colored | or damaged. | specifications and replace them if | ||||||||
streaks or lines. | • The toner cartridges are not | necessary. For details, see Consumables | ||||||||
• Streaks in only one color. | Xerox toner cartridges. | on page 114. | ||||||||
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| There is a problem with the | Check the toner cartridge for damage |
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| toner cartridge for that color. | and replace if necessary. |
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Recurring smudges. | Dirt in the paper path. | Printer several blank sheets until the | ||
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| smudges disappear. |
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| The paper is outside the | Replace the paper with a recommended |
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| recommended specification | size and type, and confirm that your |
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| range. | control panel settings are correct. For |
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| details, see Usable Paper on page 52. |
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| The transfer belt unit or fuser is | Check the condition of the transfer belt |
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| old or damaged. | unit and the fuser and replace if |
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| necessary. |
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136Phaser 6140 Color Laser Printer User Guide