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EPSON Stylus Pro 7600/9600 Revision A
Operating Principles Print Mechanism Components 117
2.2.4 Ink Supply Mechanism
Stylus Pro 7600/9600 is so constructed that the 7 cartridges for different colors are
installed in the respective ink holders (I/H) in the left area of the printer. A projection
and unique marking are placed on each color ink cartridge case to prevent wrong
insertion so that the correct cartridge is inserted in the right direction.
Explanation of valve mechanism mounted on the cartridge
The valve automatically opens and closes when the ink cartridge is mounted and
removed.
Figure 2-16. Valve Mechanism
The ink flow is as shown below.
Each color's ink cartridge → Each color's I/H (Ink Holder) → Each color's ink tube →
Each color's head dumper (carriage) → Print Heads
The information in EEPROM of each color ink cartridge is sent through the CSIC
Relay Board in each ink holder and stored in memory on the CSIC Board.
The CSIC Board stores various pieces of information, such as ink colors and remaining
amount of ink. (Refer to “Ink information menu (p.69)”)
Figure 2-17. Ink Supply Mechanism
Ink cartridge
To print head
Ink cartridge holder (Opening/closing)
Ink cartridge (x7)
Ink cartridge holder (I/H: x7)
Ink tube (x7)
To each color head damper
Pump motor (stepping
motor) (p.115)
Maintenance Tank