Epson TM-T88V-i User Manual page 186

 Value of offset_label (Object type : Number, When not specified : 0)
Specifies label bottom position (sd) per 0.1mm unit.
Paper type
Receipt 
(without black mark)
Receipt (with black mark)
Die-cut label 
(without black mark)
Die-cut label
(with black mark)
*: Valid value of range is depending on the printer model. For detail, refer to "Appendix - Printer
Specifications".
Layout property positions that can be designated for each type of paper
<without Black Mark>
Receipt
Top position
Label
Cut
Mark Parameter
sf width
sa height
sb margin_top
se margin_bottom
sc offset_cut
sd offset_label
186
Valid value range
0
0
0
0 to 15 *
sf
sf
sb
sa
se
Bottom edge
of print area
sc
Description
Setup not necessary
Distance from the top of black
mark to the bottom of label
<with Black Mark>
sf
Top position
Cut
sf
Cut
Top position
Bottom edge
of print area
Standard eject
Bottom edge
of label
sb
sc
sa
sc
sb
se sa
sd
sc