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EPSON Stylus PHOTO RX600/610, RX620/630 Revision C
Operating Principles Mechanism 16
Controlling of each detection
Figure 2-2. PW Detector Installing Position
2.2.2 Scanner Mechanism
The scanner consists of the Scanner Carriage Unit comprising the CCD for capturing
images and the light source for illuminating the document, the Scanner Motor and
Timing Belt for moving the scanner carriage unit along the document surface, and the
Scan HP Detector for detecting the position of the scanner carriage unit.
Figure 2-3. Scanner Mechanism
Table 2-3.
Detection Type
Detection
Direction
CR Drive at Time of
Detection
PF Drive at Time of
Detection
Detection Timing
• Control of
preventing print
with no characters
• Control of
restriction to run-
off
CR
direction
Interrupt control
(PID/load positioning
control)
At stop or during
drive
• After paper head
feed or during
print
• Acquisition of
position with
factory
command at
time of
adjustment
PF
direction
Stop
At time of interrupt
control (PID or BS
control)
PW detector
Printhead
(Carriage bottom face)
Scanner Carriage Unit
Scanner Motor
Scanner HP Detector
Document