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ZPL Basics

The ZPL Format (Receipt Form or Template)

10/29/2010 Software Integrator Guide P1026208-001 Rev. B

Printer Memory Management and Related Status Reporting

To help you manage printer resources, the printer supports a variety format commands to

manage memory, transfer objects (between memory areas, import and export), object

naming, and provide various printer operating status reports. They are very similar to the

old DOS commands like DIR (directory listing) and DEL (delete file).

It is recommended that a single command be processed within a this type of format (form).

A single command is easily reused as a maintenance and development tool.

Many of the commands that transfer objects, manage and report on memory are control

(~) commands. They do not need the be within a format (form). They will be processed

immediately upon receipt by the printer whether in a format (form) or not.

Note • To maximize available printer memory, the printer includes an automatic memory

defrag. Several factors can trigger a defrag operation. Changing memory by deleting or

adding objects to memory can cause a defrag. The printer status light will begin flashing

Red, Amber and Green when a memory defrag is in process. Do not disconnect the

printer’s power.

ZPL Printer Memory Management

ZPL has various printer memory locations that are used to run the printer, assemble the

print image, store formats (forms), graphics, fonts and configuration settings.

• ZPL treats formats (forms), fonts, and graphics like files. Memory locations are

treated like disk drives in the DOS operating system environment:

• Memory Object Naming: Sixteen (16) alphanumeric characters followed by a

three (3) file extension - i.e. 123456789ABCDEF.TTF

Non-kiosk legacy ZPL printers with V60.13 firmware and earlier can only use

the 8.3 file name format verses today’s 16.3 file name format.

• Allows moving objects between memory locations and deleting objects.

• Supports DOS directory style files list reports as printouts or status to the host.

Figure 5-8 • Memory Management Format Structure

^XA – Start format command.

A single format command is

recommended for purposes of reuse.

^XZ – End format command.

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Zebra KR403 Spezifikationen Seite 67