Epson Stylus Pro 4900/Epson Stylus Pro 4910  Revision A
ADJUSTMENT  Media Feed Related Checks and Adjustments  371
Confidential
ADJUSTMENT PROCEDURE
Adjust the position of the paper thickness sensor holder 1 when the value of ones place 
digit differs from the standard value. Adjust the position of the paper thickness sensor 
holder 2 when the value of tenths place digit differs from the standard value. 
1. Loosen the screws (1 each) that secure the paper thickness sensor holder.
2. Slide the paper thickness sensor holder back and forth while watching the value 
displayed on the panel. Stop the holder immediately after the target value is 
displayed.
3.  Secure the holder by tightening the screw(s).
Figure 4-80.  Position adjustment
C H E C K
P O I N T
Slide the paper thickness sensor holder toward you to increase the 
value and slide it backward to decrease the value.
Paper thickness sensor holder 2
Screws
Paper thickness sensor holder 1