Epson 1000 Reference Manual page 36

Checking the RITech setting
1. Enter SelecType Level 2 by pressing the LEVEL 2 button.
2. Press v until RITech and the current RITech setting appear
on the display.
3. Press b three times. The printer prints the check pattern.
Look at your check pattern to see if your current setting is
4.
correct. The check pattern is a rectangle with a pattern
inside it, as shown below. When the RITech setting is best,
you cannot see the pattern inside the rectangle.
RITech
Incorrect
Note:
RITech may not improve graphics that include gray shading or a
screen pattern.
turn RITech off.
After you print a RITech pattern, SelecType Level returns to the
default settings and the printer clears its memory including any
downloaded font data.
1-20 Controlling Your Printer
you are printing such graphics, you may want to
If
RITech
Correct