^FB – Field Block
What ^FB does
^FB is part of the Layout and Positioning reference. Use it when working with field block on compatible Zebra printers. This independent reference focuses on the command shape, configuration inputs, defaults, and the surrounding commands that are commonly used with it.
Syntax
^FBa,b,c,d,eParameter quick reference
a = width of text blockValues:Default: 0 If the value is less than the font width or not specified, the textb = maximum number ofValues: 1 to 9999Default: 1 Text exceeding the maximum number of lines overwrites the lastc = add or delete spaceValues: -9999 to 9999Default: 0 Numbers are considered to be positive unless preceded by ad = text justification Values:
Implementation guidance
- Confirm that the printer model and firmware support the command before deployment.
- Test the smallest valid command first, then add optional parameters one at a time.
- Keep units in printer dots unless the command explicitly defines another unit.
- Verify the result on the target media, because resolution, orientation, and stored settings can change the output.
Troubleshooting
If the printer ignores the instruction, check the command prefix, delimiter characters, firmware support, and whether the command belongs inside a ^XA and ^XZ format. For output commands, also confirm that the field is closed with ^FS where required.
Source note
This independently written page was checked against the Zebra programming guide revision supplied for this project (reference page 186). Zebra, ZPL, and related product names are trademarks of their respective owners.
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