Command Sets
C-21
v
1
, v
2
: Bar length
v
1,
v
2
Bar length
Bar length is described 2 bytes v1 shows lower byte. v2 shows upper bytes.
And bar length is controlled by multiple value of an unit of 1/2160 inch.
Minimum value of v1, v2: 288 dec
vertical pitch : All the input data is rounded to the multiple value.
c: Control flag
c
Control flag
b0: Check Digit
0: No check code is generated by the printer.
The host computer should generate the check code.
1: Check code is generated automatically by the printer.
b1: Human Readable Character
0 : Print On
1 : Print Off
Note: Human readable character is proportionally printed
under the barcode in OCR-B font.
b2: EAN-13, UPC-A flag character position
(EAN-13 : 13th digit)
(UPC-A : number system character)
0 : Center
1 : Under
b3-b7: not used
Cut Sheet Feeder Control
Eject a page from the printer ESC EM R
Miscellaneous
Select unidirectional mode 1line ESC <
Unidirectional printing on/off ESC U (n)
(on: n = 1, off: n = 0)
Initialize printer ESC @
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