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Programming interface (General) Print effects
T5023/5023+ - Programming Guide 21
Highlighting text
The following print functions of the document printer can be influenced by corre-
sponding ESC sequences:
– Double impact print/ bold print
– Underlining
– Superscript/ subscript
– Double Superscript
Double impact print / bold print
With double impact print (= vertical bold print) the print head goes over each line
twice. The paper is transported 1/180 inch after the first print and the same cha-
racters are printed again vertically and slightly displaced.
With bold print (also called horizontal bold print) each dot ofa character is printed
twice, whereby the second dot is displaced slightly to the right of the first dot prin-
ted.
In double impact print, the space between the dots is filled up, in (horizontal) bold
print, the lines of a character are intensified. Bold and double impact print can be
combined so that particularly bold characters result.
Example:
Underlining
Certain parts of a text can be highlighted by switching the underlining mode on
and off.
Example: