ibm-information-center/dist/eclipse/plugins/i5OS.ic.rzalu_5.4.0.1/rzaluoverview.htm

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<title>Overview</title>
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<h3 id="rzaluoverview">Overview</h3>
<p>The following steps provide a high-level view of the i5/OS&reg; printing process:</p>
<ol type="1">
<li>The printing process starts when an application program runs. The application
program creates output data. The output data is based on the application program
and information contained in the printer file. For more information about
printer files, see <a href="rzaluprtfcon.htm#rzaluprtfcon">Printer file</a>.
<p></p>
<div class="mmobj">
<img src="rzalu503.gif" alt="Overview picture of the start of the printing process" /></div></li>
<li>If print spooling is selected, the output data is placed in a spooled
file (see <a href="rzalusplf.htm#rzalusplf">Spooled file</a>) and the spooled file is placed in an output
queue (see <a href="rzaluoutq.htm#rzaluoutq">Output queue</a>). If direct printing is selected, the
output data is sent directly to the printer.
<p>The destination of the output
data (see <a href="rzalurouting.htm#rzalurouting">Controlling printing to output queue or printer</a>) is based on values stored in several
printing elements:</p>
<ul>
<li><a href="rzalujobd.htm#rzalujobd">Job description</a></li>
<li><a href="rzaluusrprf.htm#rzaluusrprf">User profile</a></li>
<li><a href="rzaluwrkdsc.htm#rzaluwrkdsc">Workstation description</a></li>
<li><a href="rzaluprtfcon.htm#rzaluprtfcon">Printer file</a></li>
<li><a href="rzalusysval.htm#rzalusysval">System values</a></li></ul>
<p>Output queues are used to manage spooled files. Spooled files in
output queues can be:</p>
<ul>
<li>Printed</li>
<li>Kept as records</li>
<li>Used as input to other applications</li>
<li>Transferred to other output queues</li>
<li>Sent as e-mail</li>
<li>Used to create PDF files</li></ul>
<p>Spooled files can also be received from other i5/OS and non-i5/OS
systems.</p>
<p></p>
<div class="mmobj">
<img src="rzalu504.gif" alt="Overview picture of the spooled files and output queues part of the printing process" /></div></li>
<li>The printer writer program (see <a href="rzaluprtwrtp.htm#rzaluprtwrtp">Printer writer program</a>) interacts
between the output queue and the printer and can be used to convert the printer
data stream. The printer writer program included in i5/OS supports a
variety of printer data streams. Print Services Facility&trade; for i5/OS provides additional
function that provides support for the Advanced Function Presentation&trade; (AFP&trade;) Intelligent Printer Data Stream&trade; (IPDS&trade;). For more information
about printer data streams, see <a href="rzaludatastreams.htm#rzaludatastreams">Printer data streams</a>.
<p>Each printer
must have a printer device description (see <a href="rzaluprtdevd.htm#rzaluprtdevd">Printer device description</a>).
The printer device description contains a configuration description of the
printer. Printers can be attached by a variety of attachment methods.</p>
<p>A remote writer allows you to route spooled files from an output queue on
your system to another system. For more information about remote writers and
remote system printing, see <a href="rzalursp.htm#rzalursp">Remote system printing</a> .</p>
<p></p>
<div class="mmobj">
<img src="rzalu505.gif" alt="Overview picture of the printer writer part of the printing process" /></div></li></ol>
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