Epson LQ-2550 User Manual page 115

head moves across the paper, with the second dot printed slightly to the
right of the first. This process produces darker, more fully formed
characters.
In double-strike mode, the print head goes over each line twice, making
the text bolder. For even greater boldness, emphasized and double-strike
can be combined. The following samples show the different effects you
can achieve.
Italic printing
You can select the italic mode by using the ESC 4 software command. A
sample of italic printing is shown below.
Underlining
The underline mode automatically underlines any piece of text. It
underlines spaces, subscripts, and superscripts without a break.
T h i s i s c o n t i n u o u s u n d e r l i n i n g .
Superscripts and Subscripts
Superscripts and subscripts can be used for printing footnote numbers
and mathematical formulas. The example below shows underlining,
superscripts, and subscripts combined in a mathematical formula.
average = (ai +
4-10
T h i s i s R O M A N p r i n t i n g .
This is ROMAN
This is ROMAN double-strike.
This is ROMAN with both.
T h i s i s R O M A N p r i n t i n g .
This is ROMAN italics.
emphasized.
Using Software and Graphics