Brother QL-720NW - Manual (Page 84)

P-touch Template Command Reference
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7. Control Command Details
ESC iXR1 Retrieve line feed command setting text string
ASCII: ESC i X R 1 n1 n2
Decimal: 27 105 88 82 49 n1 n2
Hexadecimal: 1B 69 58 52 31 n1 n2
Parameters
n1: 00h (Fixed)
n2: 00h (Fixed)
Description
 Retrieves the text string specified for the line feed command.
 2- to 22-byte data is returned from the printer. (Varies depending on the length of the text string)
[1, 2]: n1 n2 (number of characters) n1+(n2*256)
[3 and later]: Text string
 The retrieved value is a value specified by a static command.
Example
 When the text string for the line feed command is specified as “0Dh 0Ah”:
Code: ESC i X R 1 00h 00h
(1Bh 69h 58h 52h 31h 00h 00h)
Returned value: 02h 00h 0Dh 0Ah