This is an explanation manual for developers.
The technical information for system development and application development using the product is offered.
This can be used by developers and those who own the product as well as those considering the purchase of the product.

[Changes from previous version]
- Added description on Automatic Paper Reduction setting.

[Target model]
TM-U220

Information for the developer to develop, to design the system, and to set up the TM-U330(1-station Impact Dot Printer) is offered.

Information for the servicer/repair person to maintain, to repair, and to check the TM-U590(Wide Slip Printer) is offered.

This is an explanation manual for developers.
The technical information for system development and application development using the product is offered.
This can be used by developers and those who own the product as well as those considering the purchase of the product.

[Changes from revision B]
-Revised description on ePOS SDK.
-Add the Epson ePOS SDK for Universal Windows apps.
-Add the information on TM-i firmware Ver.4.4.*
* TM-i firmware Ver.4.4 will be released from September, 2016.
-Revised description on web contents.
-Revised description on ID/ Password.
-Revised description on the self-signed certificate.
-TM-T88IV Compatible mode is not supported.
-Add the cleaning the printer.
-Revised description on trademarks.
-Deleted character code samples.

[Target model]
TM-U220-i

This is an explanation manual for developers.
The technical information for system development and application development using the product is offered.
This can be used by developers and those who own the product as well as those considering the purchase of the product.

[Changes from previous version]
- Added description on Automatic Paper Reduction setting.

[Target model]
TM-U220

Information for the developer to develop, to design the system, and to set up the UB-E04(Ethernet Interface Board) is offered.

Information for the developer to develop, to design the system, and to set up the UB-R04(Wireless Ethernet Interface Board) is offered.

Information for the ESC/POS (Epson Standard Code for Point of Sale) commands is offered.

Information for the developer to develop, to design the system, and to set up the UB-E03(Ethernet Interface Board) is offered.

Information for the developer to develop, to design the system, and to set up the UB-E02(Ethernet Interface Board) is offered.