A printer using multipart paper is not printing properly on every page. Parts of some letters are missing, making it hard to read. Which of the following should a technician do to correct the problem?

Question

Options

• AReplace the print head
• BRewind the printer ribbon and test
• CReplace the ribbon, paper, and print head
• DReplace the ribbon

• A
  83% (38)
• B
  2% (1)
• C
  4% (2)
• D
  11% (5)

Explanation

Multipart (carbon copy/NCR) paper is used with impact dot matrix printers, which fire tiny pins through an inked ribbon to strike the paper. When parts of letters are missing, this indicates that specific pins in the print head have failed and are no longer firing. A worn or exhausted ribbon would cause uniformly faded output across all text, not selectively missing portions of characters. Therefore, the print head itself must be replaced (A). Simply rewinding the ribbon (B) or replacing only the ribbon (D) would not fix broken pins, and replacing everything (C) is unnecessary overkill.

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