Ricoh Aficio 401 Operating Instructions Manual page 135

USING THE PRINTER DRIVERS
Field Parameter
Resolution 600 dpi
400 dpi
300 dpi.
Edge On
Smoothing Off
3-48
Description
Allows you to specify the printer resolution in dots
per inch (dpi) for PostScript output.
The default value is 400 dpi.
Allows you to specify that you want to enhance
print quality using edge smoothing. This feature
reduces ragged edges, providing printed output
with smooth curved and diagonal lines.
The default value is On.