Dark Spots or Marks
There are dark spots or marks that appear in a random pattern on the page.
Possible Causes | Solutions |
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The paper path may be contaminated with toner. | Print several blank sheets of paper to remove the |
| toner accumulations. |
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The drum cartridge may be defective. | Replace the drum cartridge. |
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The fuser may be defective. | Replace the fuser. |
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The transfer roller may be defective. | Replace the transfer roller. |
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