The higher resolution of the LaserWriter gives your document the quality of being type-set and also means that smaller typefaces are more readable than they would be on an ImageWriter or on the screen. The LaserWriter has a collection of four professional-quality fonts built into its memory. The LaserWriter will give best results if you use one of these professional-quality fonts. Times and Helvetica are among the most popular fonts in use today for newspapers, magazines and books and are licensed from the world's largest manufacturer of typographic equipment and fonts. Courier simulates the IBM reg.
Symbol is a Greek font which contains symbols useful for mathematical and scientific documents.
This means that in Courier, every character is given the same width on the line. In proportionally spaced fonts, the width allowed for each character varies, although the distance between characters is constant. Times, Helvetica, Courier, and Symbol. Some of the LaserWriter fonts do not look as nice on the Macintosh's screen as they do when printed. The LaserWriter prints 300 dots per inch or 90,000 dots per square inch.