TransAct Ithaca 90PLUS Series, Programmer'S Manual

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Programmer's Guide PcOS Series 90PLUS Printer Control Codes
Print/Paper Motion
11/07/05 Rev Q Page 19
5 Printer Control Codes
5.1 Print/Paper Motion
5.1.1 Low-level Paper Motion Control
Function Carriage return
ASCII [CR]
Hexadecimal
0DH
Decimal
<13>
IPCL
&%CR
EPOS 0DH
Description The [CR] command prints the contents of the print buffer (if any) and resets the
next character print position to the left margin. A line feed is not performed
unless autofeed was activated. The left margin is defined by the current print
station, the print rotation direction, and the left margin command.
Note
In single line mode, the [CR] is used to terminate all lines. The printer will go
busy
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after the [CR] is received. The printer will not be ready to accept data until
the previous data is printed.
Function Line feed
ASCII
[LF]
Hexadecimal
0AH
Decimal
<10>
IPCL &%LF
EPOS 0AH
Description The [LF] command prints the contents of the buffer (if any) and advances the
paper one line at the current default line spacing. The next character print
position is not reset to the left margin unless auto-CR was active.
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In one-line mode, the parallel-port busy signal will occur as a result of receiving the [CR].
In serial mode, the busy indication will be delayed until the [CR] is processed by the input software. Data sent to
the printer after the [CR] will not be lost unless the printer is power-cycled.