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(1)
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Select [Drum Cleaning 1] or [Drum Cleaning 2] depending on the symptoms.
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(2)
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Click [OK].
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[Drum Cleaning 1]
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Select when short white streaks (lines) appear at equal distance on the images (especially in a high-humidity environment).
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[Drum Cleaning 2]
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Select when the following circumstances occur.
Long black streaks (lines) appear on the images (especially in a low temperature environment).
Short black streaks (lines), smudge marks, or white points appear at equal distance on the images (especially in a high temperature environment).
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NOTE
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Cleaning time
[Drum Cleaning 1]: It takes approximately 93 seconds.
[Drum Cleaning 2]: It takes approximately 125 seconds.
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