What is the hardest working part of an Inkjet printer?

seenagape

9 years ago

A.
print head

B.
ink

C.
media

D.
paper output tray

Explanation:
Reference: http://www.techradar.com/news/computing/how-an-inkjet-nozzle-fires-36-000-times-asecond-653500 (5th para)