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8. Description of "Immediate" Commands

This section describes the commands that are executed immediately after being received

by the printer. These commands are not placed in the printer’s FIFO input buffer.

CMD_NOP (00h) - No operation

The Smart Label Printer ignores this command. CMD_NOP is used primarily to

pad a partially transmitted record when the printer needs to be reset.

CMD_STATUS (01h) - Request printer status

This command is used to request the status of the Smart Label Printer. See

"Status Byte Definitions" in Section 12 for a description of the status byte.

CMD_VERSION (02h) - Request printer firmware version

This command is used to request the version of the Smart Label Printer firmware.

See "Version Byte Definition" in Section 13 for a description of the version byte.

CMD_BAUDRATE (03h) - Change the printer’s baud rate

This command is used to change the printer’s baud rate to the value specified by

the parameter byte. The parameter byte is defined as follows:

PARAMETER BAUD RATE

0 9,600

1 19,200

2 38,400

3 57,600

4 115,200

The maximum baud rate for the SLP 440 and SLP 450 models will be 115k baud, but it is 38,400 baud

temporary. The maximum baud rate for the other models is 57.6k baud.

- The maximum baud rate of SLP 410/420/430 is 57600 bps.

- The maximum baud rate of SLP 450 38k version is 38400 bps.

- The maximum baud rate of SLP 440/450 is 115k bps, and they can work by

all baud rates on the above table.

The parameter byte must immediately follow the command. An invalid parameter

will cause the STAT_BAD_COMMAND bit to be set in the status byte and the

baud rate will not be changed. The printer will respond to this command

immediately after it is received (i.e. it is not buffered).

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Seiko SLP240 Bedienungsanleitung Seite 7