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<H1 CLASS="title">CUPS PPD Extensions</H1>

<p>This specification describes the attributes and extensions that CUPS adds to <a href="http://partners.adobe.com/public/developer/en/ps/5003.PPD_Spec_v4.3.pdf" target="_blank">Adobe TechNote #5003: PostScript Printer Description File Format Specification Version 4.3</a>. PostScript Printer Description ("PPD") files describe the capabilities of each printer and are used by CUPS to support printer-specific features and intelligent filtering.</p>

<div class='summary'><table summary='General Information'>
<tbody>
<tr>
	<th>See Also</th>
	<td>Programming: <a href='postscript-driver.html'>Developing PostScript Printer Drivers</a><br>
	Programming: <a href='raster-driver.html'>Developing Raster Printer Drivers</a><br>
	Programming: <a href='api-filter.html'>Filter and Backend Programming</a><br>
	Programming: <a href='ppd-compiler.html'>Introduction to the PPD Compiler</a><br>
	Programming: <a href='api-raster.html'>Raster API</a><br>
	References: <a href='ref-ppdcfile.html'>PPD Compiler Driver Information File Reference</a></td>
</tr>
</tbody>
</table></div>