Computer Science for IGCSE & O level - Hardware (Section 29 - No. 32)
What process occurs during thermal bubble ink ejection?
Ink is pressed through a nozzle.
Ink is heated to form a bubble which then ejects ink.
A laser is used to melt the ink.
Ink is sprayed using a piezoelectric crystal.
Explication
A bubble is formed and then it ejects the ink.