Which part of the print head fires the ink?

Question

Options

• ANozzle
• BIntelligent circuit
• CMedia
• DFuser

• A
  92% (56)
• B
  2% (1)
• C
  5% (3)
• D
  2% (1)

Explanation

Nozzles (A) are the tiny openings in the print head that physically eject ink droplets onto the paper - they are literally the mechanism that "fires" the ink using either heat (thermal inkjet) or electrical pulses (piezoelectric).

Why the distractors are wrong:

• B. Intelligent circuit - this controls when and how the nozzles fire, but it doesn't fire the ink itself; it's the brain, not the trigger.
• C. Media - this is just the paper or other material being printed on; it receives the ink, not fires it.
• D. Fuser - this belongs to laser printers, where it melts toner onto paper using heat; it has no role in inkjet print heads.

Memory tip: Think of a garden hose - the nozzle is where the water (ink) actually comes out. Everything else (the valve, the pipe, the ground) supports the process but doesn't "fire" anything.

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