If you have print quality problems, clean the corona wire as follows:
| 1 |
Press the front cover release button and then open the front cover.
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| 2 |
Take out the drum unit and toner cartridge assembly.
  CAUTION
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We recommend that you put the drum unit and toner cartridge assembly on a piece of disposable paper or cloth in case you accidentally spill or scatter toner.
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| |
To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the illustration.
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| 3 |
Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left to right several times.
CAUTION
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Be sure to return the tab to the home position (  ) (1). If you do not, printed pages may have a vertical stripe. |
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| 4 |
Put the drum unit and toner cartridge assembly back in the printer. Close the front cover.
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