Dot matrix printersuse aninked ribbonthat physically contacts the paper through tiny pins. Over time, the ribbon wears out or dries up, resulting infaded or light print output. Replacing the ribbon restores print quality.
Option A:Cleaning helps with image clarity, not ink density.
Option C:Maintenance kits apply to laser printers, not dot matrix.
Option D:Calibration affects print position, not darkness.
CompTIA A+ Core 1 Exam Objective Reference:
Objective 3.7: Given a scenario, troubleshoot common printer problems.
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