Once connected, the app turns your smartphone into a remote control, allowing you to:
| Problem | Likely Cause | Solution | |---------|--------------|----------| | | Missing CH340 driver | Install the CH340 driver. After installation, reboot the PC. | | “Failed to connect” in MKSLaserTool | Wrong COM port or cable not securely connected | Check Device Manager for the correct COM port. Try a different USB port and cable. | | Firmware flash stops at 0% | Incorrect baud rate or flash size setting | Verify your machine’s requirements. For most recent boards, try Baud: 921600 , Flash size: 16 MB , ESP32 S1 . | | Wi‑Fi configuration fails | COM port not selected, or Wi‑Fi credentials contain unsupported characters | Re‑select the COM port in the Wi‑Fi tool. Avoid special characters in SSID/password. Re‑install CH340 driver. | | “Firmware successfully flashed” but machine does not work | Wrong firmware file for your board model | Re‑download the correct firmware for your exact model (e.g., B1, Ray5, TS2). Double‑check the board version. | | I use a Mac | The .exe file is Windows‑only | Install a Windows virtual machine (Parallels, VMware Fusion, VirtualBox) on your Mac and run MKSLaserTool inside the VM. |
The official software is typically distributed by manufacturers who use MKS boards, such as 1) Update by MKSLaserTool software - Longer3D Mks Laser Tool Setup V1.1.2.exe Download WORK
Adjust how quickly the laser head moves and changes direction.
CH340 or CP2102 USB-to-UART bridge drivers (depending on which chip your specific MKS board uses to communicate over USB). Once connected, the app turns your smartphone into
: After installation, you may need to configure the software to communicate with your laser device. This could involve selecting the device type, setting communication parameters (like baud rate, COM port, etc.), and configuring laser settings.
Right-click the file and select to ensure proper driver installation permissions. Try a different USB port and cable
Click on Mks Laser Tool Setup V1.1.2.exe to begin the direct download. Installation and Initial Setup
The software is designed to simplify several complex technical tasks for laser engraver users:
Disconnect your MKS controller board from any high-power source (if possible), keeping only the USB connected to the PC.
Open the software and select the correct COM Port (found in Windows Device Manager under "Ports").