CARRIAGE UNIT
SM 6-7 J001/J003
Detailed
Descriptions
6.3.3 PRINT HEAD TANK
1. Ink Supply Port
2. Ink Reservoir
3. Air Release Valve
4. Tank Full Lever
5. Plastic Bellows
This printer employs a dual-tank system. Each print cartridge (YMCK) is connected
to a print head tank with a plastic tube. The first "tank" of the dual-tank system is
the cartridge that supplies the ink through a tube to the print head tank unit, and
the second "tank" is the ink reservoir inside the print head tank unit.
Both the high volume Print cartridges and the carriage components are extremely
lightweight.
A print head tank has five main parts as shown above:
• Ink supply port. Ink enters here from the ink cartridge mounted under the
operation panel.
• Ink reservoir. This is where ink collects before it is fed to the print head below.
• Plastic Bellows. A spring forces out the flexible, thin plastic film on the left side
of the ink tank.
• Tank Full Lever. When the ink tank is mounted in the printer, this lever pushes
the bellows down to increase pressure in the ink reservoir.
• Air release valve. Vents periodically to keep the ink inside the ink tank unit
under the prescribed pressure.
G707D907.BMP
G707D908.BMP
3
J003 Print Head Tank J001 Print Head Tank
2
5
4
1
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