Conversão de linguagens de impressora

Convert ZPL to SBPL: migrating labels from Zebra to SATO printers

ZPL to SATO SBPL command equivalents, the escape-sequence structure of SBPL, font and barcode differences, a before/after example and a checklist for food and pharma lines.

Este artigo está disponível em inglês e espanhol.

SATO printers dominate food processing, pharmaceutical packaging and Japanese-owned plants, and they speak SBPL — a language built from ESC sequences rather than the caret commands of ZPL. A plant that buys SATO for a new line while keeping Zebra at the dock ends up with two copies of every label unless the design is language-independent.

Command equivalents

<ESC> is the escape character (hex 1B). SBPL commands are sequences of ESC followed by a letter and fixed-width numeric parameters — positions are always four digits, which is why 40 becomes 0040.

What actually changes

• Structure: SBPL sets a position with H/V once and then prints the object; the position persists for the next command unless changed. ZPL repositions every field. A naive translation forgets to reset H/V and stacks fields on top of each other.
• Fonts: SBPL's XU/XS/XM/XB/XL are bitmap fonts with L magnification in whole numbers; outline fonts (ESC RD or ESC $) give scalable text closer to ZPL's ^A0. Japanese and Chinese text uses dedicated font commands ZPL has no equivalent for.
• Barcodes: the B command encodes symbology, narrow bar and height in one code (BG = Code 128); ratios are fixed per symbology rather than free like ^BY. Human-readable text must be added as a separate text field.
• Label size order: SBPL A1 takes height then width — the reverse of ZPL's habit of thinking width first.
• Character encoding: ZPL is mostly ASCII with ^CI for code pages; SBPL Japanese models default to Shift-JIS. Accents in Spanish or French labels need the code page set explicitly.

Before and after

^XA
^PW812 ^LL609
^FO40,30 ^A0N,36,36 ^FDSafety Harness^FS
^FO40,130 ^BY2 ^BCN,90,Y,N,N ^FD7501234567893^FS
^PQ1
^XZ

<ESC>A
<ESC>A1 0609 0812
<ESC>H0040 <ESC>V0030 <ESC>L0202 <ESC>XU Safety Harness
<ESC>H0040 <ESC>V0130 <ESC>BG02090 7501234567893
<ESC>H0040 <ESC>V0230 <ESC>L0101 <ESC>XS 7501234567893
<ESC>Q1
<ESC>Z

The human-readable digits under the barcode had to be added as an explicit text line — ZPL printed them automatically with the Y flag.

Migration checklist

• Confirm the SATO model's resolution and whether it runs SBPL or the newer SBPL with AEP — some commands differ.
• Validate GS1-128 and GS1 DataMatrix output with a verifier; SATO's FNC1 handling uses different escape codes.
• Set the code page for accented characters and test allergen lines in every language you print.
• Keep the ZPL version live for the Zebra units at the dock.

How EtikStudio does it

The design is kept in physical units; exporting to a SATO profile generates the SBPL sequences with positions reset for every object, fonts matched by printed size, barcodes built with the correct symbology codes and FNC1, and the human-readable line generated from the same data field. Food and pharma customers run Zebra and SATO side by side from one library.

Os exemplos de comandos são simplificados para clareza; a sintaxe exata varia por modelo e firmware. Sempre teste na impressora de destino.