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Remarks:
This must be at the beginning of a print-line in the document portrait
station. It is enabled for the entire line.
Select maximum print speed
Syntax:
ESC ? n or X'1B2F;n'
Where:
n=00 80 lines per second
n=01 52 lines per second
n=02 35 lines per second
Default:
n=00
Remarks:
v In the cash receipt station, the printing will slow down to the maximum
selected speed. This will increase the quality of the printing and lower
the current draw from the power supply when printing high-density
images, such as dark logos.
v This is the maximum speed being selected, so the dot utilization
algorithms can still slow the speed further when necessary.
Set or cancel unidirectional printing
Syntax:
ESC U n or X'1B55;n'
Where:
n=00 Cancels unidirectional printing
n=01 Sets unidirectional printing
Default:
n=00
Remarks:
This is valid in the document station in portrait mode only, when there
must be two passes of the print head to print one print line.
Example: double-high or emphasized print.
When unidirectional mode is set to double-high characters, it takes three
passes of the print head.
In bidirectional mode, printing double-high characters takes only two
passes of the print head.
Unidirectional printing takes longer but increases the quality of the print.
Set document length for landscape print
Syntax:
GSc1n
Where:
n 2 bytes indicating the length of the document in print motor steps.
Chapter 2. Communication parameters 39