Citizen Systems iDP3420 - Manual (Page 116)

iDP3420/3421/3423 User’s Manual
100 CITIZEN
ESC "U" n
[Function] Specifying/Canceling the Unidirectional print mode
[Code] <1B>H <55>H
[Range] 0
≤
n
≤
255
[Outline] This command selects/deselects unidirectional print. n is valid only for the least significant
bit.
n Function
0 Deselects
1 Selects
[Caution] 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.)