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copied!<p>I've been bothered by this too, so I looked it up just now. [Anyone: Please edit this answer if it's wrong.] As the others have said,</p> <ol> <li>it's probably just the viewer (Preview), and printing it will look fine. Nevertheless, if you're trying to read it on screen, "it will look fine in print" is not much of a consolation. :)</li> <li>The problem happens because Preview converts from PS to PDF before displaying it. (This "blurry" problem is also common in PDF files that have been generated from PS.) The best fix is to use <code>pdflatex</code> directly.</li> </ol> <p>If you must go through PostScript, see the <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=dvips-pdf" rel="nofollow noreferrer">Quality of PDF from PostScript</a> at the UK TeX FAQ, which points to a few common reasons why the PDF might be fuzzy:</p> <ul> <li><p><a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=fuzzy-type3" rel="nofollow noreferrer">The wrong type of fonts in PDF</a>: This is apparently the most common in older versions of PDF viewers (e.g. before Adobe Reader 6, released in mid-2003). The problem is that dvips's default is to embed Type 3 fonts, and the PDF viewer probably does a bad job of displaying bitmapped fonts. So force the PS file to use Type 1 fonts, by generating it as:</p> <pre><code>dvips -Ppdf myfile -o myfile.ps </code></pre></li> <li><p><a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=fuzzy-T1" rel="nofollow noreferrer">Fonts go fuzzy when you switch to T1</a>: If you have <code>\usepackage[T1]{fontenc}</code>, that might be a problem.("Note that the font <i>encoding</i> T1 has nothing directly to do with the font <i>format</i> Type 1".) There are fixes.</p></li> <li>a couple of other unlikely reasons, such as <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=fuzzy-gs" rel="nofollow noreferrer">Ghostscript being too old</a>.</li> </ul> <p>Also, look at the <a href="http://www.tex.ac.uk/tex-archive/macros/latex/contrib/IEEEtran/testflow/" rel="nofollow noreferrer">testflow</a> package, which is a ‘diagnostic suite which is designed to test LaTeX "print work flow" and to provide lots of helpful information [...]’.</p> <p>Of course, if you're not generating the PS yourself, then the simple answer is that Preview sucks, and you should use a better PostScript viewer instead, e.g. install gv through MacPorts or Fink, or <a href="http://pages.cs.wisc.edu/~ghost/macos/index.htm" rel="nofollow noreferrer">MacGSView from here</a>, or <a href="http://www.kiffe.com/macghostview.html" rel="nofollow noreferrer">MacGhostView</a>, or <a href="http://www.metaobject.com/Products/" rel="nofollow noreferrer">($22) PostView</a>.</p>

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