Computer Science for IGCSE & O level - Hardware (Section 25 - No. 33)
What happens in a thermal bubble (used in inkjet printers)?
Ink is heated and vaporized creating a bubble that ejects ink
Ink is ejected by the magnetic field
Ink is forced out by pressure rollers
A laser burns the ink onto the paper.
Explication
Heat is used to form a bubble, which then ejects the ink.