Ink Pump Assy - Epson StylusPro 10000 Service Manual

EPSON Stylus Pro 10000/10000CF

2.2.5 Ink pump Assy

It is in the right edge of a main frame and be attached to I/S frame. There is the device that
deliver compressed air to the ink cartridge and locks the carriage.
o
Compressor device
Specified compressed air is produced with the motor drive and pressure sensor, to
facilitate the ink supply from the ink cartridge. The compressed air is jointed to the ink
holder through 6 tubes. Also the tube is jointed to the relief valve. When the pressure is
over the upper limit. the valve is open by the solenoid, then the pressure is stabilized.
Operating Principles
Ink pump Assy
Carriage
Sub tank valve lever
o
Sub tank valve lock lever
When the power on sequence or powerful cleaning, the carriage moves to the sub tank
valve lever. At this moment, sub tank (on the printhead) valve closed, ink in the sub
tank is ejected from the printhead, then the bubble in the tank is ejected to outside
compulsory.
Printer Mechanism Components
Pressure sensor Air valve solenoid
6 air tube
Each ink cartridge
via ink holder
M
Pump motor
Cam
Slowing-down
M Lock motor
gear
Lever sensor
Revision B
80