Xerox XDPE/400 (also known as EOMS I-Services) Support & Software User Guide

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Logical processing
Printing Documents with XDPE/400 (9/2001)
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Placement of XES forms
XES forms are indexed by XDPE/400 and your XES printer to allow the 
use of multiple forms during a job. How forms are indexed can determine 
how they are placed in a job. The logical processing feature of XDPE/400 
allows you to control when and where a printer control packet is applied 
using the When to apply (WHEN) parameter. This parameter also affects 
the indexing and placement of forms:
An XES form applied as part of an XES packet or from printer file 
parameters is assigned an index number of “1”. A form applied to the 
top of a page (*TOP) by a logical processing test also assumes the 
index number of “1” and replaces any previous form with an index of 
“1”.
A form applied at the bottom of a page (*BOTTOM) by a logical 
processing test assumes an index number of “2” and will be placed 
on the next page regardless of any other forms that may already be 
placed on that page.
For more information about form indexing on XES printers, see the 
documentation supplied with your XES printer.
Performance considerations
When you specify logical processing, every print line on every page that 
is specified in a logical processing test is tested until a true test condition 
is met. This can consume greater than normal amounts of processor time. 
By restricting the amount of data in the test range by using the Test 
position, Test page range, and Line range parameters, processing time 
can be greatly reduced. Full pages that are outside the test range are 
skipped without being tested. Data in partially-skipped pages is skipped 
on a character-by-character basis.