Epson Stylus Pro 9500 Service Manual page 212

EPSON Stylus Pro 9500 Revision A
Adjust so that the scale does
not make contact with the tool.
Exclusive tool #F765
Figure 5-23. Check Points
Due to sensor characteristics, the reading accuracy of
the sensor has a tendency to drop if the scale makes
contact with the sensor's emitter side (outside).
Adjustment Adjustment Steps 212