Epson Stylus Pro 7400 Service Manual page 92

EPSON Stylus Pro 7400/7800/9400/9800
Paper thickness detection pattern
Printing specifications
Head speed 240cps
Pattern height 64 Dot
Dot size VSD2 Large
Color Black
Print direction Uni-D
Pattern interval Upper row: Regular intervals
Lower row: One of the 16 lines reflects the current PG setting. The gap
between the line and the upper line becomes the center value.
The gaps between the other 15 lines and their corresponding
upper lines are changed from the center value by a set
amount and the all gaps are different from each other.
Temperature TBD
adjustment
Other When printing from the edge of the paper, feed 90mm of roll paper or
50mm of cut sheet before starting printing.
Pattern numbers and paper thickness
Number during pattern printing
Paper thickness (mm) 0.1
Product Description
1 2 3 ... ...
0.2 0.3 ... ...
Figure 1-22. Paper thickness detection pattern
15
1.5
Control Panel
Revision B
A4 narrow side width
10mm
9.0mm(64dot)
feed amount
92