Epson Stylus Color 640 Service Manual page 150

EPSON Stylus Color 440/640/740
7. After changing the position of the adjust lever, select Head angular
adjustment pattern again. The printer prints out a head angular
adjustment pattern and the screen automatically returns to the
Current Head Angular Confirmation Menu (1) shown in the figure
below.
Figure 5-31. Current Head Angular Confirmation Menu (1)
8. Verify the pattern on the printout again.
9. Repeat the procedures from Step 5 to Step9 until the combination
pattern of black/magenta is correct.
10. After completing the adjustment, tighten the loosened screw, and
reinstall the upper case only when you remove it.
Chapter 5 Adjustment
Revision A
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