mirror of https://gitee.com/openkylin/cups.git
214 lines
6.1 KiB
HTML
214 lines
6.1 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- SECTION: Specifications -->
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<head>
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<title>CUPS Command File Format</title>
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<meta name='keywords' content='Programming, CUPS Command File Format'>
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<link rel='stylesheet' type='text/css' href='../cups-printable.css'>
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</head>
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<body>
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<!--
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CUPS command file format specification for CUPS.
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Copyright © 2007-2018 by Apple Inc.
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Copyright © 1997-2006 by Easy Software Products.
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Licensed under Apache License v2.0. See the file "LICENSE" for more
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information.
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-->
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<H1 CLASS="title">CUPS Command File Format</H1>
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<h2 class='title'><a name='INTRODUCTION'>Introduction</a></h2>
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<p>This specification describes the CUPS command file format
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(application/vnd.cups-command) which is used to send printer
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maintenance commands to a printer in a device-independent way.
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The current specification supports basic maintenance functions
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such as head cleaning and self-test pages and query functions
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such as auto-configure, report supply levels, and report status.</p>
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<p>Printer drivers advertise support for the CUPS command file
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format by providing a filter for the
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<var>application/vnd.cups-command</var> file type. Applications
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can determine if a printer supports printing of CUPS command
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files by checking the <code>printer-type</code> attribute for the
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<code>CUPS_PRINTER_COMMANDS</code> capability bit.</p>
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<p>In addition, the PPD file for a printer can contain a
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<code>cupsCommands</code> keyword that provides a list of supported
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commands separated by spaces, for example:</p>
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<pre class='command'>
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*cupsCommands: "AutoConfigure Clean PrintSelfTestPage ReportLevels ReportStatus"
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</pre>
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<p>If no <code>cupsCommands</code> keyword is provided, the command filter
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must support <a href='#AutoConfigure'><code>AutoConfigure</code></a>,
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<a href='#Clean'><code>Clean</code></a>,
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<a href='#PrintSelfTestPage'><code>PrintSelfTestPage</code></a>,
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and <a href='#ReportLevels'><code>ReportLevels</code></a>. The scheduler also
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provides the <code>printer-commands</code> attribute containing the list of
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supported commands.</p>
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<h2 class='title'><a name='SYNTAX'>File Syntax</a></h2>
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<p>CUPS command files are ASCII text files. The first line of a
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CUPS command file MUST contain:</p>
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<pre class='command'>
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#CUPS-COMMAND
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</pre>
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<p>After that, each line is either a command or a comment.
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Comments begin with the # character, e.g.:</p>
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<pre class='command'>
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# This is a comment
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</pre>
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<p>Commands are any sequence of letters, numbers, and punctuation characters
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optionally followed by parameters separated by whitespace, e.g.:</p>
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<pre class='command'>
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Clean all
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PrintSelfTestPage
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</pre>
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<p>Command names are case-insensitive, so "PRINTSELFTESTPAGE",
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"printselftestpage", and "PrintSelfTestPage" are equivalent. Vendor-specific
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commands should use a domain name prefix, e.g.:</p>
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<pre class='command'>
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com.vendor.foo
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com.vendor.bar param param2 ... paramN
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</pre>
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<h2 class='title'><a name='COMMANDS'>Standard Commands</a></h2>
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<p>The following are the standard commands supported by the format. The only
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required command is
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<a href='#PrintSelfTestPage'><code>PrintSelfTestPage</code></a>.</p>
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<h3><a name='AutoConfigure'>AutoConfigure</a></h3>
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<p class='summary'>AutoConfigure</p>
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<p>The <code>AutoConfigure</code> command updates the printer's PPD file
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and driver state information to reflect the current configuration of the
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printer. There are no arguments for this command.</p>
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<p>Example:</p>
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<pre class='command'>
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#CUPS-COMMAND
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AutoConfigure
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</pre>
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<h3><a name='Clean'>Clean</a></h3>
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<p class='summary'>Clean <i>colorname</i></p>
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<p>The <code>Clean</code> command performs a standard print head cleaning. The
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"colorname" parameter specifies which color or head to clean. If a printer does
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not support cleaning of individual colors or cartridges, then all colors are
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cleaned. Command filters MUST support the "all" colorname. Other standard color
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names include "black", "color", "photo", "cyan", "magenta", "yellow",
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"light-cyan", "light-magenta", "light-black", "light-gray", and "dark-gray".</p>
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<p>Example:</p>
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<pre class='command'>
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#CUPS-COMMAND
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Clean all
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</pre>
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<h3><a name='PrintAlignmentPage'>PrintAlignmentPage</a></h3>
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<p class='summary'>PrintAlignmentPage pass</p>
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<p>The <code>PrintAlignmentPage</code> command prints a head alignment page on
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the printer. The "pass" parameter provides a pass number from 1 to N. The number
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of passes is device-dependent.</p>
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<p>Example:</p>
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<pre class='command'>
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#CUPS-COMMAND
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PrintAlignmentPage 1
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</pre>
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<h3><a name='PrintSelfTestPage'>PrintSelfTestPage</a></h3>
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<p class='summary'>PrintSelfTestPage</p>
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<p>The <code>PrintSelfTestPage</code> command prints a self-test page on the
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printer. Typically this page shows whether all jets on a print head are
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functioning and that the print feed mechanisms are working properly.</p>
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<p>Example:</p>
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<pre class='command'>
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#CUPS-COMMAND
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PrintSelfTestPage
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</pre>
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<h3><a name='ReportLevels'>ReportLevels</a></h3>
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<p class='summary'>ReportLevels</p>
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<p>The <code>ReportLevels</code> command queries the supply levels on a printer
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and reports "marker-colors", "marker-levels", "marker-names", and
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"marker-types" attributes using "ATTR:" messages sent to the scheduler. This
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command should also report the current printer status using "STATE:" messages
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like the <a href='#ReportStatus'><code>ReportStatus</code></a> command.</p>
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<p>Example:</p>
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<pre class='command'>
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#CUPS-COMMAND
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ReportLevels
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</pre>
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<h3><a name='ReportStatus'>ReportStatus</a></h3>
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<p class='summary'>ReportStatus</p>
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<p>The <code>ReportStatus</code> command queries the printer for its current
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status and reports it using "STATE:" messages sent to the scheduler.</p>
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<p>Example:</p>
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<pre class='command'>
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#CUPS-COMMAND
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ReportLevels
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</pre>
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<h3><a name='SetAlignment'>SetAlignment</a></h3>
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<p class='summary'>SetAlignment pass value ... valueN</p>
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<p>The <code>SetAlignment</code> command sets print head alignment values. The
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"pass" parameter is a number from 1 to N. All parameters are
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device-dependent.</p>
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<p>Example:</p>
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<pre class='command'>
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#CUPS-COMMAND
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SetAlignment 1 14
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</pre>
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</body>
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</html>
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