Citizen pmn User Manual page 107

ESC "U" n
[Function]
[Code]
[Range]
[Outline]
[Caution]
Specifying/Canceling the Unidirectional print mode
<1B>H <55>H
0 n 255
This command selects/deselects unidirectional print.
significant bit.
n Function
0 Deselects
1 Selects
If unidirectional print is selected, the printer will print from the left to the right. When you
want to prevent horizontal shear in printing at high accuracy, specify unidirectional print
with this command. (Double height print, etc.)
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iDP3410 User's Manual
n is valid only for the least
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