EPSON Stylus PHOTO RX600/610, RX620/630 Revision C

Operating Principles Mechanism 16

Controlling of each detection
Figure 2-2. PW Detector Instal ling 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
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