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With a dot matrix printer, light then dark print is most commonly caused by:

  • A.Erratic paper advancement
  • B.Erratic ribbon advancement
  • C.Misalligned print head
  • D.Overheating print head

Answer: B

Correct answer: Erratic ribbon advancement

If the ribbon does not advance evenly, some characters are struck through fresh ink and others through a used part of it, so the print alternates light and dark down the page.

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