
mC-Print2
Super compact 2″ 58mm thermal receipt printer with front paper loading and multi-connectivity plus Star CloudPRNT technology
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Wi-Fi printer setup gives businesses more options for placing receipt and label printers. A wireless printer can operate at a checkout counter, pickup station, prep area, kiosk, or other location where running an Ethernet cable may be difficult.
Connecting a printer to a wireless network, however, has traditionally required several manual steps. Users may need to find the printer’s temporary network, open a configuration page, enter network credentials, and confirm that the printer received an IP address.
Star Micronics created rapidSYNC, its Bluetooth Low Energy (BLE)-based setup technology, to make that process easier. Available on select Star receipt and label printers, rapidSYNC uses the Star Quick Setup Utility to guide users through Wi-Fi printer setup with a smartphone or tablet, without relying on the traditional captive portal process. For users who prefer the standard QR code setup method, that option is also available on supported models.
Once setup is complete, the printer produces a network diagnosis confirming whether it connected successfully.
Star Micronics’ rapidSYNC is Bluetooth Low Energy (BLE)-based Wi-Fi onboarding technology for supported receipt and label printers. It helps users transfer their wireless network name and password to the printer without navigating printer buttons or entering settings directly on the hardware.
Star product materials may also use the term WLAN, or wireless local area network. In this article, WLAN and Wi-Fi both refer to the wireless network the printer uses to receive print jobs.
Star’s rapidSYNC is a setup process, not a printing protocol. Bluetooth Low Energy is used to detect the printer and transfer network settings during setup, while the printer communicates over Wi-Fi after the connection is established.
Supported printers also produce a wireless network diagnosis after setup. The printout confirms whether the connection succeeded and provides information such as the printer’s assigned IP address.
Star’s rapidSYNC uses the Star Quick Setup Utility and Bluetooth Low Energy (BLE) to guide Wi-Fi printer setup on supported models. Some Star printers also offer a separate QR-code-based setup method for users who prefer a traditional captive portal process.
The Star Quick Setup Utility provides guided Wi-Fi printer setup from a compatible iOS or Android device.
The general process includes:
The network name and password are case-sensitive, so users should confirm both before beginning setup. When the printer connects successfully, the diagnosis page displays “Successful” along with the printer’s IP address. The utility also allows users to continue configuring additional printers without restarting the process.
Star’s rapidSYNC is available on select Star receipt and label printers and uses Bluetooth Low Energy (BLE) with the Star Quick Setup Utility for Wi-Fi setup. Supported models may also offer QR code setup as a separate alternative:
TSP143IV X4 Thermal Receipt Printer
TSP143IV X4 is a 3-inch thermal receipt printer
TSP143IV X4 Thermal Receipt Printer
TSP143IV SK X4 Linerless Label Printer
TSP143IV SK X4 prints repositionable linerless labels
TSP143IV SK Sticky Label Printer
Find out more about TSP143IV SK>
mC-Label2 Multifunction Label Printer
Star’s rapidSYNC can be used during initial printer installation or whenever a supported printer needs new wireless network settings using Star’s BLE-based setup method.
Common situations include:
– Installing a new receipt or label printer
– Moving a printer to another location
– Connecting a printer after replacing a router
– Updating a printer after changing the Wi-Fi name or password
– Adding printers at a new store or restaurant
– Configuring multiple printers during a rollout
– Installing a printer where Ethernet cabling is unavailable
– Reconnecting a printer after network settings have been reset
For multi-printer deployments, the Star Quick Setup Utility allows users to configure another printer after completing the first connection. The printed network diagnosis also gives installers an IP address they can record for testing, POS configuration, or technical support.
Wireless printer installation should not require employees or installers to work through complex printer menus. Star rapidSYNC provides a guided Wi-Fi printer setup process using Bluetooth Low Energy (BLE), a smartphone or tablet, and the Star Quick Setup Utility. Supported models may also offer QR-code onboarding as a separate Wi-Fi setup option.
The right rapidSYNC-compatible printer depends on what the business needs to print:
– Choose the TSP143IV X4 for thermal POS receipts.
– Choose the TSP143IV SK X4 for 3-inch repositionable linerless labels.
– Choose the mC-Label2 MCL21CWBi or MCL21CWBi LBL for compact 2-inch all-media printing.
Contact Star Micronics to compare compatible models, confirm POS compatibility, or plan a multi-location printer deployment.
A few checks before installation can prevent common connection problems.
Not every version of a printer includes WLAN. Check the model number and interface specifications before starting a Wi-Fi printer setup.
For example, the TSP143IV X4 includes Wi-Fi and Bluetooth, while the TSP143IV UE is a wired USB and Ethernet model. Star’s rapidSYNC applies to supported WLAN-equipped models and uses Bluetooth Low Energy (BLE) during setup.
Confirm the following information:
Avoid connecting business printers to a public or customer guest network unless that network is specifically configured for POS hardware.
Place the printer where it can maintain a stable connection to the wireless access point. Walls, metal equipment, distance, and crowded wireless channels can affect signal strength.
The TSP143IV X4 and TSP143IV SK X4 support both 2.4 GHz and 5 GHz networks. A 2.4 GHz network typically reaches farther, while 5 GHz may provide less interference and more bandwidth over shorter distances.
A printer that was previously connected to another network may retain its old wireless settings. Resetting the printer’s network configuration may be necessary before connecting it to a replacement router or a network with a new SSID.
After setup, keep the printed diagnosis page until the printer has been tested with the POS or business application. The IP address and connection status can help identify whether a problem is related to the network, printer, or software configuration.
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Super compact 2″ 58mm thermal receipt printer with front paper loading and multi-connectivity plus Star CloudPRNT technology

Compact 3″ 80mm thermal POS and mPOS receipt printer. 400mm/s, front paper loading, multi-connectivity including Star CloudPRNT technology

New generation 80mm thermal POS receipt printer. Horizontal or vertical use with multi-connectivity, simple WLAN set-up and Star CloudPRNT technology. 4 year warranty as standard
Need product support or help with integration? Contact the Star team today and they will be happy to help!
Contact Star EMEA’s Integration Department for detailed information