Zebra Technologies EPL2 - Manual (Page 74)

JF Command - Enable Top Of Form Backup
Description This command enables the Top Of Form
Backup feature and presents the last label of a
batch print operation. Upon request initiating
the printing of the next form (or batch), the last
label backs up the Top Of Form before printing
the next label.
Syntax JF
Example: JF ¿
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980352-001 Rev.A