Problem | Solution |
Vertical lines | If black vertical streaks appear on the page: |
| • The drum inside the toner cartridge has probably been |
| scratched. Install a new toner cartridge. |
Gray background | If the amount of background shading becomes | ||||
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| unacceptable, the procedures below may fix the problem. |
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| • Change to a lighter weight pages. See “Paper |
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| Specifications” on page 7.25. |
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| • Check the printer’s environment; very dry (low humidity) |
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| or high humidity (higher than 80% RH) conditions can |
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| increase the amount of background shading. |
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| • Remove the old toner cartridge and install a new one. See |
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| “Installing the Toner Cartridge” on page 2.4. |
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| Toner smear | • Clean the inside of the printer. See “Cleaning the Inside” | |||
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| on page 5.5. |
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| • Check the paper type and quality. See “Paper |
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| Specifications” on page 7.25. |
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| • Remove the toner cartridge and install a new one. See |
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| “Installing the Toner Cartridge” on page 2.4. |
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Vertical repetitive | If marks repeatedly appear on the printed side of the page | ||||
| defects | at even intervals: | |||
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| • The toner cartridge may be damaged. If a repetitive mark |
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| occurs on the page, print a cleaning sheet several times to |
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| clean the cartridge (see page 5.5). After the printout, if |
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| you still have the same problems, install a new toner |
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| cartridge. See “Installing the Toner Cartridge” on |
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| page 2.4. |
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| • Parts of the printer may have toner on them. If the defects |
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| occur on the back of the page, the problem will likely |
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| correct itself after a few more pages. |
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| • The fusing assembly may be damaged. Contact a service |
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| representative. |
