Phaser 3140/3155/3160 Printer Service Manual
5-3
Print-Quality Troubleshooting
Transfer Roller
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Background Contamination (page 5-14)
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Vertical White Lines (page 5-19)
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Vertical Black Line or Band (page 5-21)
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Stains on the Front of the Page (page 5-26)
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Stains on the Back of the Page (page 5-27)
Print Cartridge
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Light or Undertone Print (page 5-10)
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Background Contamination (page 5-14)
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Vertical White Lines (page 5-19)
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Vertical Black Line or Band (page 5-21)
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Horizontal Black Line or Band (page 5-22)
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Stains on the Front of the Page (page 5-26)
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Power Supply Board
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Light or Undertone Print (page 5-10)
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Background Contamination (page 5-14)
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Controller Board
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Vertical Lines are Curved (page 5-20)
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