Samsung MultiXpress M5370 Series Service Manual page 405

14) Poor image quality after assembled Imaging unit
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Description : There may occur Poor image Quality such as below after assembled Imaging unit.
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Cause : A particle of plastic got jammed between Imaging unit's connection parts.
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Solution : Clean and check Shaft of Imaging unit & Hole of Frame main after removed Imaging Unit.
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4. Troubleshooting
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