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CompTIA A+ 220-901

Category - Hardware

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While trying to repair a printer, you determine you need to open the printer. What is the primary danger in opening a printer?

The laser unit
The paper feed
The fuser assembly
The power supply

Explanation

Answer: C - The fuser roller can be hot enough to burn you if the printer was just running.

Key Takeaway: It is best to unplug the printer and let the unit cool before opening it.

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