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Raster Command Reference

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4. Printing Command Details

NULL Invalidate

ASCII: NULL

Hexadecimal: 00

Description

 Skipped

 If data transmission is to be stopped midway, send the “initialize” command after sending the “invalidate”

command for the appropriate number of bytes to return to the receiving state, where the print buffer is

cleared.

ESC i S Status information request

ASCII: ESC i S

Hexadecimal: 1B 69 53

Description

 Send a request to the printer for status information. For details on the status, refer to the previous section.

 The size is fixed at 32 bytes.

Note

Before sending print data to the printer, this command should be sent once. Since error

information is automatically sent by the printer during printing, do not send this command while

printing.

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Brother RJ-4030 User Manual Page 22