1. Product Overview
The Star Micronics TSP143IV is a compact and modern thermal receipt printer designed for point-of-sale (POS) environments. It features dual-band wireless (WLAN) and USB-C connectivity, making it versatile for various setups. This printer integrates CloudPRNT technology, enabling direct printing from cloud applications and connectivity to Star Cloud services for enhanced functionality. Its design allows for both desktop placement and vertical wall mounting, offering flexibility in space utilization.

Figure 1.1: Front view of the Star Micronics TSP143IV Thermal Receipt Printer. This image displays the compact design and the Star TSP100 Cloud logo on the front panel.
Key features include its energy-efficient design, robust reliability with a long-lasting print head and auto-cutter, and broad software compatibility across various operating systems and SDKs. The TSP143IV is also designed for easy integration, being compatible with previous TSP100 series models.
2. Setup and Installation
2.1 Unpacking the Printer
Carefully remove all components from the packaging. Ensure the following items are present:
- Star Micronics TSP143IV Thermal Receipt Printer
- AC Power Cable
- USB Cable (USB-C ONLY)
- Paper Guide

Figure 2.1: Side view of the Star Micronics TSP143IV Thermal Receipt Printer. This angle highlights the compact footprint and the location of the paper output slot.
2.2 Connecting the Printer
- Power Connection: Connect the supplied AC Power Cable to the printer's power input and then to a standard electrical outlet. The power supply is embedded within the printer.
- USB Connection: For direct connection to a computer or POS system, connect the supplied USB-C cable from the printer to your device.
- Wireless (WLAN) Setup: The TSP143IV supports dual-band wireless connectivity. Refer to the Star Micronics official website or included quick setup guide for detailed instructions on configuring WLAN settings for your specific network environment. This typically involves connecting the printer to your Wi-Fi network.
- External Device Connection: The printer supports connection for external devices such as a cash drawer, buzzer, or mC-Sound. Consult the specific device's manual for connection details.
2.3 Loading Receipt Paper
- Open the printer's top cover by pressing the release latch.
- Insert a new roll of thermal receipt paper into the paper compartment. Ensure the paper feeds from the bottom of the roll and the leading edge is straight.
- Pull a small amount of paper past the cutter mechanism.
- Close the top cover firmly until it latches securely. The printer will automatically feed the paper to the correct starting position.

Figure 2.2: Top-front view of the Star Micronics TSP143IV, showing the paper compartment area. This view illustrates how the paper roll is inserted into the printer.
3. Operating the Printer
3.1 Driver and Software Installation
Before printing, install the necessary drivers and software on your computer or mobile device. Star Micronics provides comprehensive software support:
- Windows Drivers: Available for Windows operating systems.
- OPOS Driver: For POS applications.
- JavaPOS Drivers: Compatible with Windows, Mac, and Linux.
- CUPS Drivers: For Mac and Linux environments.
- SDKs: StarXpand SDK (React Native, iOS, Android), StarPRNT SDK (iOS/Android/Windows Desktop/UWP), CloudPRNT SDK.
- Applications: Star WebPRNT Browser (Android), Star PassPRNT (iOS/Android/UWP).
Visit the official Star Micronics website for the latest drivers and software downloads specific to the TSP143IV model.
3.2 Basic Printing
Once drivers are installed and the printer is connected (via USB or WLAN), you can print receipts or other documents from your POS software or application. Ensure the TSP143IV is selected as the default printer or the target printer within your application settings.
3.3 CloudPRNT Technology
The TSP143IV integrates CloudPRNT technology, allowing it to receive and print orders directly from web-based applications without the need for a local server or PC. This feature makes the printer "Cloud Ready" for Star Cloud services, enabling device monitoring, custom coupon generation, and other cloud-based functionalities.
4. Maintenance
4.1 Cleaning the Printer
Regular cleaning ensures optimal performance and extends the printer's lifespan.
- Exterior: Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Print Head: The thermal print head should be cleaned periodically, especially if print quality degrades. Use a lint-free cloth dampened with isopropyl alcohol. Ensure the printer is powered off and cooled down before cleaning.
- Paper Path: Remove any paper dust or debris from the paper path using a soft brush or compressed air.
4.2 Paper Replacement
Replace the paper roll when the red indicator light illuminates or when the printer stops feeding paper. Always use high-quality thermal paper to prevent damage to the print head and ensure clear prints.
5. Troubleshooting
This section addresses common issues you might encounter with your TSP143IV printer.
| Problem | Possible Cause | Solution |
|---|---|---|
| Printer does not power on. | Power cable not connected securely; power outlet issue. | Ensure power cable is firmly connected to printer and outlet. Test outlet with another device. |
| No print output. | No paper; paper loaded incorrectly; printer offline; incorrect driver/software. | Check paper roll and reload if necessary. Verify printer status (online/offline). Reinstall or update printer drivers. |
| Poor print quality (faded, lines). | Low quality thermal paper; dirty print head; print head wear. | Use recommended thermal paper. Clean the print head as per maintenance section. If issue persists, contact support. |
| Paper jam. | Paper loaded incorrectly; foreign object in paper path. | Open cover, carefully remove jammed paper. Ensure paper is loaded straight. Remove any obstructions. |
| Cannot connect via WLAN. | Incorrect Wi-Fi settings; network interference; printer out of range. | Verify Wi-Fi credentials. Ensure printer is within range of access point. Consult WLAN setup guide for advanced troubleshooting. |
If the problem persists after attempting these solutions, please contact Star Micronics customer support.
6. Technical Specifications
| Feature | Detail |
|---|---|
| Model Name | TSP143IV |
| Print Method | Direct Thermal |
| Print Resolution | 203 dpi |
| Print Speed | 250mm/s |
| Paper Width | 80mm / 58mm |
| Paper Thickness | 0.049 – 0.085mm |
| Paper Diameter | Max 83mm |
| Connectivity | USB-C, Dual-Band Wi-Fi (WLAN) |
| Emulation | Star Graphics Mode and StarPRNT |
| Power Supply | 100 to 240VAC ± 10% 50/60 Hz (embedded) |
| Dimensions (LxWxH) | 8.6 x 8.3 x 8.4 inches (21.8 x 21.1 x 21.3 cm) |
| Item Weight | 7 pounds (3.17 kg) |
| Reliability (MCBF) | 60 Million Lines |
| Reliability (Print Head) | 100km |
| Reliability (Auto Cutter) | 2 Million Cuts |
| Included Components | AC Power Cable, USB Cable (USB-C ONLY), Paper Guide |
7. Warranty and Support
7.1 Warranty Information
The Star Micronics TSP143IV Thermal Receipt Printer comes with a limited warranty. For specific terms and conditions of your warranty, please refer to the documentation included with your product or visit the official Star Micronics website.
7.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact Star Micronics customer support. You can find contact information and additional resources on their official website:
Star Micronics Support Website
Before contacting support, it is recommended to have your printer's model number (TSP143IV) and serial number ready.





