Epson Stylus Photo RX700 Series, Service Manual

Page: 41 / 202

EPSON Stylus Photo RX700 Revision A
Operating Principles Mechanism Operating Principles 41
2.2.11 Scanner Unit
The Scanner Unit consists primarily of the following components:
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CCD Unit (Carriage Unit)
Consists of the CCD Board, mirrors and lens, lamp, and Inverter Board, and
moves on the CR Shaft.
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HP Board
Informs the Main Board of HP detection of the CCD Unit, and conveys the signal
from the Main Board to the CR Motor.
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CR Motor Unit
Moves the CCD Unit right and left via the Timing Belt.
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TPU Assy
Works as the light source for scanning negative or positive film, incorporating an
inverter board and a lamp. Users can remove the TPU Assy by disconnecting the
Film Scan Connector from the Exterior Assembly.
Figure 2-32. Components of Scanner Unit
Figure 2-33. Transmission Path of Driving Force from the CR Motor
Figure 2-34. CCD Unit Internal Configuration
Figure 2-35. Image Path inside the CCD Unit
CCD Unit
CR Motor
HP Board
TPU Assy
ランプ Lamp
Mirror (x5)
CCD
CCD Board
Lens
HP side
HP side