Epson Stylus Pro 7400 Service Manual page 305

EPSON Stylus Pro 7400/7800/9400/9800
Adjustment Procedure
Adjust the position of the P THICK Sensor 1 holder when the self testing with the
0.2 or 0.3 jig resulted in NG, or when you do not have the 0.2 and 0.3 jigs. Adjust
the position of the P THICK Sensor 2 holder when the self testing with 0.5 or 0.6
jig resulted in NG, or when you do not have the 0.5 and 0.6 jigs.
1. Loosen the screw that secures the P THICK Sensor Holder.
2. Slightly slide the holder back and forth while watching the value displayed on
the LCD panel. Stop the holder immediately after the target value is
displayed.
Slide the holder toward you to increase the value and slide it
C H E C K
P O I N T backward to decrease the value.
3. Secure the holder by tightening the screw.
Adjustment
Figure 5-12. Paper Thickness Sensor Position Adjustment (2)
Mechanical Adjustment
Screws
1 2
P THICK Sensor Holder
0.3
0.2
0.5
0.6
Figure 5-13. P THICK Sensor Position Jigs
Revision B
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