dpi
Dots per inch. The dpi measures the resolution. See also resolution.
driver
See printer driver.
economy mode printing
Printing in which images are printed with fewer dots to save ink. Economy mode printing is faster, too.
error diffusion
A halftoning method where dot patterns are randomly distributed in an image to create soft edges.
ESC/P®
EPSON Standard Code for Printers. The system of commands sent by the computer to control the printer. It is standard for all EPSON printers and supported by most application software for personal computers.
ESC/P 2
Enhanced version of the ESC/P printer command language, including scalable fonts and enhanced graphics.
font
A style of type designated by a family name, such as Courier or Helvetica.™
grayscale
An image consisting of multiple shades of gray, ranging from white to black.
halftoning
Method of repeating tiny dot patterns to represent images.
hex dump
A troubleshooting feature that helps advanced users find the cause of communication problems between the printer and the computer. When the printer is in hex dump mode, it prints each code it receives in hexadecimal notation and ASCII characters. Also called data dump.
initialization
The process of restoring the printer’s default settings (fixed set of conditions).