CompTIA
220-802 · Question #372
220-802 Question #372: Real Exam Question with Answer & Explanation
The correct answer is B: Fuser. Smearing of printed output when touched on a laser printer indicates that toner is not being properly fused to the paper, pointing directly to a fuser unit failure.
Question
A technician receives a report that the pages coming out of a laser printer are smearing when touched. Which of the following components should the technician check FIRST to resolve this issue?
Options
- ADrum
- BFuser
- CPickup roller
- DCorona wire
Explanation
Smearing of printed output when touched on a laser printer indicates that toner is not being properly fused to the paper, pointing directly to a fuser unit failure.
Common mistakes.
- A. The drum is responsible for holding the electrostatic image and transferring toner to the paper; a defective drum typically causes streaks, spots, or missing print, not smearing.
- C. The pickup roller feeds paper from the tray into the printer; failure of this component causes paper feed jams or misfeeds, not smeared output.
- D. The corona wire (or charge roller) applies a uniform electrical charge to the drum; issues with it cause faded, uneven, or missing print rather than smearing of properly placed toner.
Concept tested. Laser printer fuser failure causing toner smearing
Reference. https://support.hp.com/us-en/document/ish_1506992-1507008-16
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