Chapter 14: Epson - Standard Function
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Space with print head positioning (255 dec., FF hex.), Backspace
(BS), Horizontal Tab (HT), Carriage Return (CR), Line Feed com-
mands, Form Feed (FF), commands for defining the Next Print Po-
sition, Delete Buffer (CAN), Delete Character (DEL).
If the functions Underline or Overscore are switched on, then spaces
with positioning, i.e. spaces skipped by horizontal tab or posi-
tioning commands, are underlined or overscored; the next print
position is then not displayed.
Function Dec. Hex. ASCII
Text alignment 27 97 n 1B 61 n ESC a n
n = 0: Left justified
n = 1: Centred
n = 2: Right justified
n = 3: Full justified
With this command you define the alignment of text on a line:
The standard left justified function means that the text is aligned
on the left margin, while it is ragged on the right.
With the centred function, the text is positioned in the centre
between the left and right margins.
With the right justified function the text is aligned on the right
margin, while it is ragged on the left.
With the full justification function the text is aligned flush between
the left and right margins by inserting spaces between the words.
With centred, right and full justification a backspace cannot be exe-
cuted. In fully justified a carriage return or line feed command can
only be executed at the end of a paragraph, not after each line, i.e.
the text must be sent to the printer as flowing text.
Text alignment
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