Hitachi HT-4139-28 Developer's Manual page 38

3 Operation Triplets
print and each of them must be preceded by the "~" symbol as an escape sequence.
(Example) If you want to print "ABC#[123]", you need to specify "ABC~#~ [123~]".
If you specify *, the stacker symbol is printed.
If you specify ^, the erased character is printed.
3
Notes on the application
The source ejects a sheet being scanned for numbering print while receiving
DG_CONTROL/DAT_PENDINGXFERS/MSG_ENDXFER.
The application must perform this specification before issuing
DG_CONTROL/DAT_PENDINGXFERS/MSG_ENDXFER.
This can be specified only when DG_CONTROL/DAT_DIVSCANCTL/MSG_SET is used to
specify the division of scan and ejection for execution.
Return code
TWRC_SUCCESS Success
TWRC_FAILURE
TWCC_BADVALUE The numbering print characters had invalid data.
The maximum specified number of printing characters was exceeded.
TWCC_SEQERROR Invalid sequence
Limitations:
This operation is supported only by the front side numbering.
When the back side numbering is set, this operation results in an error.
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