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EPL Commands
R
12/16/13 EPL Programming Guide 14245L-003 Rev. A
R
Set Reference Point
Description Use this command to move the reference point for the X and Y axes. All
horizontal and vertical measurements in other commands use the setting for R as the origin for
measurements. Use the R command as an alternative to sending the q command to position
(center) labels that are narrower than the print head.
The R command interacts with image buffer setting, as follows:
•The R command forces the printer to use the full width of the print head as the width of the
image buffer. The R command overrides the q commands print width setting.
• Rotate the image buffer with the Z command to establish top and left margins (ZT) or the
bottom and right margins (ZB).
• When positioned correctly, prevents printing off two (2) edges of the label opposite the 0,0
reference point.
Syntax Rp
1
,p
2
Parameters This table identifies the parameters for this format:
Parameters Details
p
1
=Horizontal (left)
margin
Horizontal (left) margin measured in
dots.
p
2
= Vertical (top) margin
measured in dots.
Vertical (top) margin measured in dots.
Note •
• Use the Q and R commands together for the easiest method of positioning form elements
in the print image in left-aligned table top printers.
• Repeated printing off the edge of the label can cause excessive print head wear.