Condition | Suggested solutions | |
Toner specs | • The paper may not meet specifications; for example, the | |
AaBbCc | paper is too moist or too rough. See “Paper Specifications” | |
AaBbCc | • The transfer roller may be dirty. Clean the inside of your | |
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AaBbCc | • The paper path may need cleaning. See “Cleaning the | |
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Dropouts | If faded areas, generally rounded, occur randomly on the | |
AaBbCc | page: | |
• A single sheet of paper may be defective. Try reprinting the | ||
AaBbCc | job. | |
AaBbCc | • The moisture content of the paper is uneven or the paper | |
AaBbCc | has moist spots on its surface. Try a different brand of | |
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• The paper lot is bad. The manufacturing processes can | ||
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| cause some areas to reject toner. Try a different kind or | |
| brand of paper. |
•The toner cartridge may be defective. See “Vertical repetitive defects” on page 9.21.
•If these steps do not correct the problem, contact a service representative.
Vertical lines | If black vertical streaks appear on the page: | ||||
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| • The drum inside the toner cartridge has probably been |
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| scratched. Remove the toner cartridge and install a new | |
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| If white vertical streaks appear on the page: |
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| • The surface of the LSU part inside the machine may be |
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| dirty. Clean the LSU (see page 8.4). |
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Gray background | If the amount of background shading becomes | ||||
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| • Change to a lighter weight paper. See “Paper | |||
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| • Check the machine’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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9.20TROUBLESHOOTING