How to Use This Manual

This manual provides the specifications for StarIO.Online.
Each section contains the information as follows. Reading this section and subsequent sections in order helps you understand what you can achieve using StarIO.Online, as well as the development process.


Getting StartedExplanation of this manual and supported models
Overview of StarIO.OnlineOverview and features of StarIO.Online
Quick StartProcedures of device management and print requesting through StarIO.Online dashboard
Web APIDetailed specifications for Web API provided by StarIO.Online
WebhookDetailed specifications for Webhook provided by StarIO.Online
FAQFrequently asked questions

Operating Environment

Supported devices

StarIO.Online-compatible printers are shown below.

Printer modelSupported printer firmware version
CloudPRNT
Version HTTP supported
CloudPRNT
Version MQTT supported
mC-Print21.2 or later-
mC-Print31.2 or later5.1 or later *1
TSP100IV1.0 or later2.2 or later
TSP100IV SK2.0 or later2.2 or later

*1 Only MCP31CBI/CI are supported.

  • A printer firmware update fixes problems and adds new features. For this reason, it is recommended to keep the firmware up to date.
  • The printer firmware version can be checked by the Self-Printing function of the printer. For details, refer to "Self-Printing" in the Online Manual.

    mC-Print3 Online Manual

    TSP100IV Online Manual

    The printer firmware can also be updated using the special app. For details, refer to "Use App" in the Online Manual.

    mC-Print3 Online Manual

    TSP100IV Online Manual

  • The CloudPRNT protocol uses the MAC address of an Ethernet LAN port for a printer even if it is connected via wireless LAN.
    This allows StarIO.Online to recognize and manage the printer as the same unit whichever LAN system, Ethernet LAN or wireless LAN, is used with the printer.

    About this manual

  • This manual describes functions of StarIO.Online and how to use it.
  • Contents of this manual are subject to change without prior notice.
  • Star Micronics Co., Ltd. makes all effort to provide accurate information. However, we shall not be responsible for errors and omissions.
  • Star Micronics Co., Ltd. shall also not be responsible for any damages arising from the use of information in this manual.
  • Duplicating, reproducing, or reprinting the contents of this manual in part or in whole is strictly forbidden.
  • For the owners' trademarks mentioned in this document, see Trademarks.