Introduction¶
About SII SDK for Windows¶
SII SDK for Windows (hereinafter referred to as the "SDK") provides the function to print text, images, and barcodes on SLP800 series printers.
The SDK includes the library file to directly control printers provided for developers. And also, the SDK is provided with the printer driver and uses the printer driver to work.
Using the SDK allows to directly control printers in an application development and to design the application independent of the port type. Also, some values of members in the private section of the DEVMODE can be retrieved or changed.
The SDK includes the following library files:
- SDK for Win32 development environment (hereinafter, Win32 API)
- SDK for .NET development environment (hereinafter, .NET API)
For usage sample of the SDK, see sample program provided for each development language.
Supported Models, Interface¶
| Platform | Bluetooth | USB | Serial | Parallel | Wired LAN (TCP/IP) | Wireless LAN (TCP/IP) |
|---|---|---|---|---|---|---|
| SLP800 series | ✓ | ✓ | ✓ | - | - | - |
Terms¶
| Term | Description |
|---|---|
| Printer command | Instruction to control the printer, described in "SLP850 SERIES THERMAL PRINTER TECHNICAL REFERENCE". |
| Printer status | Printer status information that can be retrieved by the SDK. This information includes the status to respond to the printer command "Send Status Data in Real Time" and extended status. See "Printer Status List" for details of the printer status. |
Operating Conditions¶
The operating conditions of the SDK basically follow the operating environment of the printer driver, and the settings and limitations of the printer.
For details of the operating environment of the printer driver, see "SII Printer Driver for Windows User's Guide" for SLP800 series.
In addition, the following operating conditions must be met.
- When using the .NET API, the SDK requires .NET Framework Version 4.0 to 4.8. When .NET Framework is uninstalled from the computer, .NET API cannot be used.
- All functions of the SDK are only available when the bidirectional support function is enabled and the printer spool function is disabled.
About This Documentation¶
Document Information¶
Last Updated: February 2026
Document Ver.1 Rev.2
Terms of Use / Disclaimer¶
- Unauthorized reproduction, copying, or redistribution of this document is prohibited.
- SII reserves the right to make changes without notice to the specifications and materials contained herein and shall not be responsible for any damages (including consequential) caused by reliance on the materials presented, including but not limited to typographical, arithmetic, or listing errors.