Epson EPL-6100 Reference Manual page 146

Resolution
Allows you to select the resolution you want to use for printing.
The available settings are 1200 dpi, 600 dpi (default), and 300 dpi.
RITech
Allows you to turn the RITech (Resolution Improvement
Technology) setting on or off. The default setting is On. For more
information about RITech, see "Choosing the print quality" on
page 26 (Windows) or "Choosing the print quality" on page 78
(Macintosh).
Auto Continue
Permits the printer to automatically recover from a Print Overrun,
Insufficient Memory for Current Task, or Change Paper error. The
printer continues printing within a few seconds after one of these
problems occurs.
When Auto Continue is Off, you must press the N Start/Stop
button to resume printing. In most cases, leave Auto Continue Off
(default) so you can tell when an error occurs and make the
necessary corrections. You might want to set Auto Continue to
On when printing long jobs or when you are away from the
printer for long periods.
Density
Allows you to adjust the print density to make the printout darker
or lighter. Click the arrow key to darken or lighten the output.
Toner Save
You can turn the Toner Save mode On or Off (default). When
turned on, the printer saves toner by substituting a gray shade for
the black inside of characters. The characters are outlined in full
black on the right and lower edges.
44 Using the Remote Control Panel Utility