Brother TD-4100N - Manual (Page 41)

^QS Specify print options
[ASCII] ^ Q S n
[Decimal] 94 81 83 nd
[Hexadecimal] 5E 51 53 nh
[Parameters] n: 0, 1
[Description]
・ Specifies the print options.
n=0: Priority given to print speed
n=1: Priority given to print quality
・ The default value for the print options is “0” (priority given to print speed).
・ This command is a dynamic command.
[Example]
・ To set the print options to give priority to print quality:
Since n=1, the command will be as follows.
^ Q S 1
(5Eh 51h 53h 31h)
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