Ink Jet Printing And Capping Mechanisms - Brother MFC5200C Service Manual

4.2.2.2

Ink jet printing and capping mechanisms

Carriage encoder
(1) Print head unit
This machine uses drop-on-demand ink jet printing. The print head has four ink-jet units for four
color inks. Each of those units consists of 150 nozzles, 150 channels covered with piezoelectric
ceramic (PZT), a manifold, and filter. As illustrated below, the pair of nozzle columns is staggered.
Paper feed direction
Main chassis
Carriage
motor
Carriage rail
Carriage travel direction
#1
#2
#149
#150
Black Cyan
Nozzle Layout (viewed from the bottom)
Carriage PCB
Ink cartridge sensors
Ink cartridges
Ink empty sensor
Platen
77/150"
(13.0387 mm)
1/150"
(0.1693 mm)
Yellow
Ink-jet units
4 -8
Carriage
(Star wheels)
(Paper ejection roller)
Print head unit
1/150"
(0.1693 mm)
1/75"
(0.3387 mm)
Magenta
74/75"
(25.0613 mm)