SATO FX3-LX Operator's Manual page 364

Operation 14: Dispenser Mode and No Backfeed (Head Check Enabled)
Operation
*1 The dispenser sensor confirms the dispensing condition and the printer does not perform the next
operation until the label is dispensed.
*2 Because backfeeding is not done, the media in this area is non-printable.
• The figure above shows the reference position when the Gap sensor is used.
Timing Chart
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