Epson Stylus Pro 7700 Service Manual page 101

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