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.

Heat is used to form a bubble, which then ejects the ink.