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Additional commands (Printer) Structure of the additional commands
T5023/5023+ - Programming Guide 175
– CSI starts the control sequence of an additional command and the sequence
of responses and stands for the sequence ESC [.
– The parameters Pi, regarding number and use, depend on the respective
control command. Numeric parameter values are specified as ASCII charac-
ters (in contrast to the ESC sequences of the standard, character set and
graphics commands for which numeric values are transmitted to the docu-
ment printer in binary form). Leading zeros need not be sent.
– Parameters are separated from each other by ; (semicolon). The assign-
ment of a value to a parameter results only from its position within the para-
meter sequence (parameter position).
– If parameter positions are not occupied, the appropriate default values or the
value 0 will be set implicitly.
– Even if parameter positions in a CSI command are not to be occupied, the
separator ; must be set at the respective parameter position.
Example:
– Intermediate (I) and final (F) characters end the control sequence or a re-
sponse.
CSI P1;P2;P3 I F = complete command
CSI ;P2; I F = P1, P3 are default values
CSI P1;;P3 I F = P2 ist a default value