Answer:
Unit: A standard quantity against which a quantity is measured [e.g. gram, metre, second, litre, pascal; which are units of the above quantities].
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Explanation:
Source:
https://www.canterbury.ac.nz/media/documents/science-documents/Measurement.pdf
Answer:
B. Fuser unit
Explanation:
Based on the scenario that is being described it can be said that the most likely problem is the Fuser unit. This is a part that plays an important role in the printing process. This unit melts the toner and compresses it in order to leave the impression on the paper with heat. A faulty fuser unit will not compress correctly and leave wet ink on the paper causing it to smear.