Epson Stylus Pro 9900 - Page 101

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
OPERATING PRINCIPLES Main Body 101
Confidential
INK SYSTEM UNIT
Figure 2-7. Ink System Unit
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Diagram Name Description
1 Cap HP Sensor Detects the origin position of the Cap.
2Wiper
Cleans the nozzle surface of the Printhead. It is driven
by the Wiper Motor.
3 Flushing Box
The box to receive the flushed ink. It is driven by the
Wiper Motor.
4 Wiper Motor Encoder
Detects patterns of the scale attached on the motor to
control the rotation of the Wiper Motor.
5 Wiper HP Sensor Detects the origin position of the Wiper.
6Wiper Motor
Slides the Wiper and the Flushing Box. A DC motor
with an encoder scale mounted on it is employed.
7 Cap Motor Encoder
Detects patterns of the scale attached on the motor to
control the rotation of the Cap Motor.
8 Cap Motor Drives the Cap and the CR Lock.
9 Pump Motor
Drives the pump to suck ink. A DC motor with an
encoder scale mounted on it is employed.
10 Valve HP Selector Detects the origin position of the valve.
11 Cap
Caps the Printhead to protect the nozzle surface. It is
driven by the Cap Motor.