Apple Personal LaserWriter300 - Manual (Page 48)

Be careful setting alignment and columns
Properly aligning your text can enhance or detract from your
document’s readability. One of the most common mistakes is to
set a document in many narrow columns, with full justification
(text lined up on the left
and right). This allows for only a few
words per line, and “darkens” a page by eliminating the white
space around the edges of the text.
Flush-left alignment with a ragged right edge lends an informal
feeling, and is generally considered to be the most readable of
settings.
Centering is useful for formal announcements or invitations, but
avoid centering long passages.
Choose the right size
Use 9- to 12-point type for long passages of body text. Smaller
sizes can be very difficult to read. Note, however, that different
typefaces of the same point size vary in “visual size”: 9-point
Helvetica looks larger than 9-point Times.
Find out more
There are many excellent sources to help you produce
professional-looking documents. Look for books and magazines
on desktop publishing, graphic design, and typography.
40 Chapter 4: Tips and Troubleshooting