Introduction¶
About SII SLP800 Series Web SDK¶
SII SLP800 Series Web SDK is a library for printing with SII thermal printers from the JavaScript program on the Web browser.
By this library, the printer print text, barcodes, images, etc., and the printer status can be checked with a JavaScript program. The SDK server application is required to use the library.
Before Use¶
For Android, the SDK server application runs as a service. If the setting of Notifications is Off, the service cannot run, so please use it with On.
Target printers¶
Android
| Printer | USB | Bluetooth | Wireless LAN | Ethernet | Serial |
|---|---|---|---|---|---|
| SLP850 | ✓ | ✓ | - | - | - |
Windows
| Printer | USB | Bluetooth | Wireless LAN | Ethernet | Serial |
|---|---|---|---|---|---|
| SLP850 | ✓ | ✓ | - | - | ✓ |
Preparation¶
To run the library, do the following.
- On the web server, place siiWebSdk_SLP8X0.js in a directory that can be referenced by HTML files and JavaScript code.
- Write instructions to read siiWebSdk_SLP8X0.js in a JavaScript code, such as in a HTML file.
- Install the SDK server on an Android device or a Windows PC.
- When using a bluetooth printer, pair it with the host.
Precautions¶
See the following for precautions on the SII Web SDK.
- See the "SLP850 SERIES Thermal Printer USER'S GUIDE" of each thermal printer for printer settings.
- On Windows PC, the software cannot be used by multiple users at the same time using "Switch user".
About This Documentation¶
Document Information¶
Last Updated: October 2026
Document Ver.1 Rev.3
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.