Certified Biomedical Equipment Technician (CBET) Practice Exam

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If the text of a laser printer document is able to be wiped off the paper by hand, which is the most likely cause?

The fuser is defective

When the text of a laser printer document can be wiped off by hand, it indicates a problem with the fusing process, which is crucial for properly adhering the toner to the paper. The fuser unit in a laser printer uses heat and pressure to bond the toner particles to the paper. When the fuser is defective, it might not reach the required temperature or apply adequate pressure, resulting in toner that is not firmly adhered to the paper. This allows the toner to be easily smudged or wiped away.

The other factors mentioned, such as the power of the laser diode, primarily affect how well the image is transferred onto the drum, not the fixation of the toner on the paper. If the feeder tray or pickup roller were defective, issues with feeding the paper might arise, but not necessarily an inability for the toner to bond to the paper after printing. Thus, a defective fuser is the most likely cause of the described issue.

Get further explanation with Examzify DeepDiveBeta

The laser diode is losing power

The feeder tray is defective

The pickup roller is defective

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