Writing EPI server programs

The following restrictions apply to CICS® on System/390® server programs that are invoked from the Client External Presentation Interface (EPI):

Start of changeNote also that an EPI client application cannot:End of change

Client-attached printers

A CICS on System/390 application can communicate with a Client-attached printer by starting a transaction against it, using an EXEC CICS START TERMID command.

A Client-attached printer accepts a 3270 data stream which contains set buffer address (SBA) commands, and a 3270 write control character (WCC) with the print bit set on. An application can use any of the following command sequences, followed by EXEC CICS PRINT, to print data successfully:

There are some restrictions:

Related tasks
Writing ECI server programs
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