Letatwin Lm-390a | Pc Driver Download
Before diving into the driver, it is important to understand the hardware. The Letatwin LM-390A is a specialized industrial or semi-professional label printing system. Known for its durability and high-quality thermal transfer printing, the LM-390A was widely used in warehouses, retail environments, and logistics hubs during the late 2000s and early 2010s.
While the hardware is robust, modern operating systems (Windows 10, 11, and even 8.1) do not natively recognize the LM-390A. Without the correct driver, your PC will treat the device as an "unknown USB device" or simply fail to communicate with it.
If you are running Windows 7, 8, 10, or 11, you cannot simply double-click the setup file. You must trick the computer into thinking it is running an older system.
Many users report that the LM-390A does not appear in “Devices and Printers” even after installing Dymo software. This is due to Windows using a generic printer driver. Here is how to force the installation:
If the official site is inaccessible, try the Microsoft Update Catalog:
Conclusion: The Letatwin LM-390A is an orphaned legacy product. While the driver may still exist on old Japanese backup CDs or archived websites, no official, safe, direct download is available from major driver databases as of 2025. Proceed with extreme caution when downloading from third-party sites.
Recommendation: If you still have the original CD, image it immediately. If not, consider using the device without a PC or upgrading to a modern label printer. If you choose to hunt for the driver, use a sandboxed virtual machine to test any executable file before running it on your main PC.
Last updated: 2025. This document is for educational and troubleshooting purposes. Letatwin is a registered trademark of its respective owner.
MAX LETATWIN LM-390A/PC printer driver and associated LETATWIN PC Editor software can be downloaded from the official MAX Co., Ltd.
international support site. Although the LM-390A is a discontinued model, legacy drivers remain available for download to ensure connectivity with modern operating systems. マックス株式会社 Download and Official Links Official Download Portal: LETATWIN Fan PC Software Download Page for the most reliable and safe access to original software. Alternative Regional Support: For users in specific regions, Wiremarkers Australia
also provides direct links to the "LM-390 All Models" driver package. マックス株式会社 Installation Guide To successfully connect your MAX LETATWIN LM-390A to your computer, follow these sequential steps: Download the Driver: Navigate to the LETATWIN Fan
Locate the section for "Printer Drivers for PC Connectivity". Select the link for "Printer driver for LM-390 All Models" and download the ZIP file (typically lm390pc_setup.zip Extract and Run Setup: Right-click the downloaded ZIP file and select "Extract All" Open the extracted folder and double-click lm390pc_setup.exe to begin the installation wizard. Printer Connection: Connect the LM-390A to your PC using a Turn the printer power Crucial Step:
On the printer itself, navigate the menu to change the communication mode to "PC connection" letatwin lm-390a pc driver download
or "INITIALIZE" as prompted by the software to make it ready to receive data. Install PC Editor Software: For the best experience, download the LETATWIN PC Editor
from the same official site. This software allows you to import data from CSV files and manage complex labeling tasks directly from your desktop. マックス株式会社 System Compatibility Supported Operating Systems: The official driver is compatible with Windows 11, Windows 10, and Windows 8.1 For detailed troubleshooting, refer to the LM-390A Operational Manual
which provides specific instructions for setup and error codes. マックス株式会社 import Excel data into the Letatwin PC Editor for bulk printing? PC SOFTWARE｜LETATWIN Fan
To use the MAX LETATWIN LM-390A/PC with your computer, you must install both the specific printer driver and the LETATWIN PC Editor software. Although the LM-390A is a discontinued model, official support and downloads remain available through the manufacturer's global portals. 1. Official Download Links
The official source for all LETATWIN software is the LETATWIN Fan website managed by MAX Co., Ltd.. Printer Driver (LM-390 All Models): Download Driver PC Editor Software: Download PC Software Supported OS: Windows 11, 10, and 8.1. 2. Installation Steps
Follow this sequence to ensure the driver recognizes the printer correctly:
Preparation: Close all other applications. If you have older versions of the software or driver installed, uninstall them first.
Software First: Run the Setup_Letatwin.exe file. Choose SETUP LETATWIN PC EDITOR and follow the prompts.
Driver Installation: After the software is ready, select SETUP Driver from the same installer menu. Hardware Connection: Connect the LM-390A to your PC via a USB cable. Turn the printer ON.
Set the printer to PC Connection Mode by pressing the OPTION key and selecting "DIRECT PRINTING FROM PC" or "DATA TRANSFER FROM PC".
Finalize: Choose the LM-390 model in the installer, select USB CABLE, and click Next to complete the link. 3. Key Features of PC Connectivity
Connecting your LM-390A to a PC unlocks several advanced functions: Before diving into the driver, it is important
Data Import: Directly import lists from Microsoft Excel or CSV files to batch-generate markers.
High-Speed Transfer: Transfer large datasets (up to 5,000 characters per file) from your PC to the printer's internal memory or via a USB flash drive.
Preview Mode: View a digital mockup of your tubes or tapes before printing to prevent material waste. PC SOFTWARE｜LETATWIN Fan
To successfully download and install the PC driver for the MAX LETATWIN LM-390A, follow the steps below. This printer requires both a specific driver and the LETATWIN PC EDITOR software to function with a computer. 1. Download the Driver and Software
The official source for these files is the LETATWIN Fan portal managed by MAX Co., Ltd.
Visit the Official Site: Go to the LETATWIN Fan Download Page.
Locate the Driver: Scroll to the Printer Drivers section and select the link for LM-390 All Models.
Download the ZIP: Click the download button to save the driver package (usually a .zip file) to your computer.
Download PC Editor: On the same page, download the latest version of the LETATWIN PC EDITOR software, as this is the interface used to send data to the printer. 2. Driver Installation Steps
Before connecting the printer, you must extract the driver files.
Extract the Files: Right-click the downloaded ZIP file and select Extract All.
Run Setup: Open the extracted folder and double-click the lm390pc_setup.exe file. Last updated: 2025
Follow On-Screen Prompts: The installation wizard will guide you through the process. You may be asked to restart your PC once finished.
Connect the Printer: Once the driver is installed, connect the LM-390A to your PC via a USB cable and power it on. 3. Configure PC Connectivity on the Device
For the computer to recognize the printer, you must manually switch the LM-390A into the correct mode:
Initialize: When you turn on the printer, select "INITIALIZE" and press ENTER.
PC Communication Mode: You must change the communication mode on the printer body to PC communication mode to allow data transfer from the PC Editor software. 4. Basic Operation via PC Editor
After installation, use the PC EDITOR to manage your print jobs: Enter text into cells within the software window. Set properties like Pitch Length and Character Size.
Go to File > Print or use the Send function to transfer data directly to the device. Download｜LETATWIN Fan
Assuming you have obtained a legitimate driver file (e.g., LM390A_Driver.exe or an INF-based driver), follow this procedure:
The LM-390A does not use USB. It uses Serial (RS-232) or Parallel connections.
If your driver installs but printing stops mid-label, you may need a firmware update.
How to update firmware: