Epson Stylus Color 640 Service Manual page 152

EPSON Stylus Color 440/640/740
200 CPS Bi-D Pattern : Data = -2
Left Gap
200 CPS Bi-D Pattern : Data = 0
Right Gap
200 CPS Bi-D Pattern : Data = 2
Figure 5-34. Bi-D ADjustment Pattern Sample
Chapter 5 Adjustment
6. By using the Up/Down key, select Adjust on the Bi-D adjustment
menu (Figure 5-32). Then the screen below appears.
Figure 5-35. Bi-D Value Input Menu
7. The value 0 (blue) appears in the center of the screen and changes
up/down every time you press the Up/Down arrow key. Using the
keys, apply the number for the most properly aligned pattern in the
Bi-D adjustment pattern print.
8. After you set the value correctly, press the Enter key, and the
program stores the selected value.
9. Press the Esc key once. The current screen returns to the Bi-D
adjustment menu. (See Figure 5-32.)
10. Repeat the procedure from Step3 to Step9 until the Bi-D adjustment
pattern is correct.
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