Citizen iDP-3221 Series User Manual page 138

<Example: When printing a downloaded bitmap image covering six bytes vertically>
[Vertically mapped dots (= 8 6)
calculation pitch conversion ratio (= 360/180) = 54
54 pitches, or 27 dots, must, therefore, be added to the line feed width.
ESC W, xL, xH, yL, yH, dxL, dxH, dyL, dyH
ESC Tn
ESC 3 54
LF
GS/1
ESC2
Note: Because the default of the basic calculated pitch is 1/180 for the horizontal direction and 1/360 for the
vertical direction, some error can occur, such as position specification, depending on the print direction. No
error occurs if the basic calculated pitch for the vertical direction is set to 1/180 by the GSP command.
(Additional line feed width)
(Return the line feed width to 1/6 inch)
Line feed width for the starting point (= 21)] (Vertical basic
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iDP3221 User's Manual
CITIZEN