Brother QL-720NW - Manual (Page 57)

P-touch Template Command Reference
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7. Control Command Details
ESC iXr2 Specify print start received character count
ASCII: ESC i X r 2 n1 n2 n3 n4
Decimal: 27 105 88 114 50 n1 n2 n3 n4
Hexadecimal: 1B 69 58 72 32 n1 n2 n3 n4
Parameters
n1: 02h (Fixed)
n2: 00h (Fixed)
00h≤n3≤FFh
00h≤n4≤03h
Description
 Specifies the number of characters to be received in order to start printing.
n3+(n4*256): Print start received character count (bytes) (1 to 999)
 The default print start received character count is 10.
 This command is a static command.
Example
 To change the print start received character count to 100 characters:
Since n3=64h and n4=00h, the command will be as follows.
ESC i X r 2 02h 00h 64h 00h
(1Bh 69h 58h 72h 32h 02h 00h 64h 00h)