on the machine.
the Board Sensor:
There are several reasons why the
machine will prompt the user to "Check the Board Sensor".
There is dust obscuring
Please see the next section
of the Board Sensor" for details on how to address
There are existing features
on the workpiece,
like holes or other
which prevent the sensor from tracking the top
This can be fixed by placing a piece of masking tape over
The material is too transparent
This can be fixed by
placing a piece of masking tape on the surface of the workpiece
along the line that the sensor traces while measuring.
placing tape across the width and length of the
of the Board
From time to time the sensor that
locates and measures
can become obscured
The sensor system consists of an infrared LED and an infrared
The board sensor works by reflecting
infrared light off of the
board, and reading the intensity of the reflection.
When the board is
the sensor, the reflected
intensity is high and when the
sensor is the board, the intensity is low. The LED and detector
mounted behind a clear window
in a plastic case at the bottom of the
Moving Truck (Y-Truck).
machine LCD will display Please Clear Board Sensor.
simply blow onto the sensor window with compressed
air or wipe with
a clean cloth.
It is recommended
that this sensor and mirror be
cleaned after every project.
FIGURE 28: BOARD SENSOR CLEANING
(Rev 1.6) 09/27/06