Oki 1220n - Manual (Page 37)

ES 1220n Macintosh OS 9.x Operation • 37
Black Overprint
This option prevents registration errors and only works for 100%
black text.
1. Click on the checkbox to enable the option.
Printer Halftone
This option prevents the halftone of a high-end graphics application
from printing.
1. Click on the checkbox to enable the option.
Job Option
1. To access Job Option, first select your desired printer from an
application using File → Print .