Escp2, Fx, And I239X Mode - Epson EPL-5700 Reference Manual

Protect Level
Allows you to increase the amount of memory allocated for
page protection. If the Page Protect is off, an overrun error
might occur if there is not enought memory to print a page. If
this error occurs, turn the protect level On.
MicroGray
Enables your printer to increase the grayscale quality to
approximate 1,200 dpi. If your software program supports
halftone, its graphic output becomes smoother than the normal
PostScript setting. If you want to print your documents using
standard PostScript grayscale, turn MicroGray off.
MicroGray is not available in 300-dpi mode.

ESCP2, FX, and I239X mode

Clicking the Other button brings up the following dialog box.
This menu is available only in ESCP 2, FX, or I239X emulation
modes.
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Remote Control Panel Utility