Ink Jet Printing And Capping Mechanisms - Brother MFC5100C Service Manual

3.2.2.2

Ink jet printing and capping mechanisms

(1) Print head unit
This machine uses drop-on-demand ink jet printing. Each of the right and left print heads has an
ink-jet unit that has a pair of nozzle columns for two color inks. A nozzle column consists of 75
nozzles, 75 channels covered with piezoelectric ceramic (PZT), a manifold, and filter. As
illustrated below, the pair of nozzle columns is staggered.
Nozzle Layout (viewed from the bottom)
3 -8