R Command - Set Reference Point
Description Use this com mand to move the ref er ence point
for the X and Y axes. All hor i zon tal and ver ti cal
mea sure ments in other com mands use the set -
ting for R as the or i gin for mea sure ments. Use
the R com mand as an al ter na tive to send ing the
q com mand to po si tion (cen ter) la bels that are
nar rower than the print head.
Syntax Rp
1
,p
2
Parameters p
1
= Hor i zon tal (left) mar gin mea sured in
dots.
p
2
= Ver ti cal (top) mar gin mea sured in dots.
The R com mand in ter acts with im age buffer set -
ting, as fol lows:
• The R com mand forces the printer to use the
full width of the print head as the width of the
im age buffer. The R com mand over rides the
q com mands print width set ting.
• Ro tate the im age buffer with the Z com mand
to es tab lish top and left mar gins (ZT) or the
bot tom and right mar gins (ZB).
• When po si tioned cor rectly, pre vents print ing
off two (2) edges of the la bel op po site the 0,0
ref er ence point.
Use the Q and R com mands to gether for the eas i est
method of po si tion ing form el e ments in the print im -
age in left aligned print ers: 2746, 2746e, TLP2046
and 2344 (Eclipse).
Re peated print ing off the edge of the la bel can cause
ex ces sive print head wear.
3-96 980352-001 Rev.D
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