access to the application program source code or no programming skills exist in-house to implement changes to output pages or documents.

Printing with APU

Using APU requires no programming skills, enabling individuals with graphics and layout ability to design the appearance of the printed page and to easily make changes to printout appearance.

Note: Exact print results depend on the type of printer you have. Refer to IBM Printing Systems: Printer Information, S544-5750, for the specific capabilities of your printer.

Without AFP and APU, the application programmer codes all of the formatting information in the application program or printer file and runs the program to generate an output file. The output file is placed on a system spool and directed to a printer.

Application

Print

Program

 

Create

Print

Print

Definition

Definition

 

Output Queues

Spool

Monitor

Print

Engine

Output Queues

Spool

AFP

Resources

PSF/400

AFP

Printer

Figure 1. Flow of Data Through APU and OS/400

Figure 1 illustrates the processing flow of APU. There is a design phase and a production phase.

The Design Phase

The new output application is defined in the design phase, which is done once (or when changes are required). You do this interactively. The spooled output file from the existing application is retrieved and used in the design process. The output of this design phase is a set of formatting rules that are stored in an APU print definition.

Chapter 1. Introducing Advanced Print Utility 5

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IBM S544-5351-03 manual Printing with APU, Design Phase