Epson TM-DT Series User Manual page 8

Difference from General Printing System
In general printing systems, the application sends a print instruction to the printer.
With Server Direct Print, the printer sends an Inquiry of print request to the Web application, and the Web
application returns a response that has print data included in it.
Server Direct Print
General Printing
Computer Web Server
Application Application
Specifies a printer
Global IP Address
Print layout data
TM Printer
Print data
TM Intelligent Printer
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