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Note: This command is unusual because it requires the “1” prior to the value for the

number of lines to skip.

<esc> V Return Revision Letter/Number

1B 56

This command returns the printer model and firmware version number as an ASCII

string. The information is returned as an 8-character ASCII string in the following

format.

Bytes 0-4: the 5-digit model number (e.g. “93089”)

Byte 5: a lowercase letter (commonly “v”)

Bytes 6-7: the two-digit firmware version (e.g. “0N”)

Example: 98039v0K

<syn> nl..nx Transfer Print Data

16 ? ? Where:

nl = first 8 data bits

nx = last 8 data bits

This command sends a raster line of print data to the printer. For further details, see

“Print Data” on page 8.

<etb> nl..nx Transfer Compressed Print Data

17 ? ? Where:

nl = first compressed data byte

nx = last compressed data byte

This command sends compressed raster line images. This command is generally not

needed due to the high bandwidth of USB communications, but it might provide some

nominal increase in performance.

<esc> h Text Speed Mode

This command instructs the printer to print in Text Quality mode. This is the default, high

speed printing mode.

<esc> i Barcode and Graphics Mode

This command instructs the printer to print in Barcode and Graphics mode. This results in

lower speed but greater positional and sizing accuracy of the print elements.

<esc> c Set Print Density Light

This command sets the strobe time of the printer to 75% of its standard duty cycle.

LabelWriter 400 Series Technical Reference Manual Page 18

Dymo LabelWriter 400 Series User Manual

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