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T5023/5023+ - Programming Guide 173
Additional commands (Printer)
The document printer can process single documents, multiple documents (form
sets) and passbooks.
This chapter explains special control commands (= additional commands) for
processing documents and for processing MSR/MICR data, which are not a
component of the Epson range of commands.
The description is divided into the following main sections:
– Notes on the syntax of the additional commands
– General notes on document processing
– Basic commands for document processing
– Specific commands for MSR/MICR
Certain additional commands allow the exchange of internal status information,
error messages or user data between the printing units and the computer. Data
transfer from the document printer to the computer is in the form of responses
which have the same structure as the additional commands (CSI sequences).
Certain restrictions apply when printing documents (for example, non-
printable areas in passbooks because of the central fold or because of
the safety distance from the horizontal or vertical leading edges of a do-
cument). Ignoring this restriction can lead to poor print quality or to the
destruction of documents. The restrictions when printing documents
must be observed by the user. The appendix “Paper specification” con-
tains all specifications as to which areas can or may not be printed de-
pending on the type of document. The corresponding millimetre
specifications must be taken into consideration when setting the para-
meters of the respective additional commands.
Examples for the programming of the additional commands for different
tasks can be found in the chapter “Application examples”.
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