Mks Laser Tool Setup V112exe Download Upd Better [2026 Edition]

MKS Laser Tool Setup v1.12 — Quick Handbook

This concise handbook walks you through installing, configuring, and optimizing MKS Laser Tool v1.12 (v112.exe). It covers preparation, safe installation, connection to common controllers, basic workflow, troubleshooting, and tips to get better results quickly.

For daily engraving, use LightBurn with MKS DLC32 in GRBL mode. mks laser tool setup v112exe download better

2. Driver Installation (CH340/CP2102)

If your computer does not recognize the printer when plugged in via USB: MKS Laser Tool Setup v1

Problem 1: "No Device Connected" in Red Text

• Standard fix: Check USB cable.
• Better fix: Go to Device Manager -> View -> Show Hidden Devices. Delete all "MKS Serial Port (COM3)" entries. Reinstall v112exe. This forces a fresh driver handshake.

| Problem | Typical Cause | "Better" Fix | | :--- | :--- | :--- | | "DLL not found" after launch | Missing Visual C++ Redistributables | Install both x86 and x64 versions of VC++ 2015-2022. | | Laser not detected on COM5 | Windows assigned a high COM port number | Go to Device Manager → Ports → Advanced → Change COM port to COM1-COM4. | | Graph freezes after 10 min | USB selective suspend | Control Panel → Power Options → Disable "USB selective suspend." | | v112exe crashes on exit | Corrupted ini file | Delete %AppData%\MKS\LaserTool.ini and relaunch. | Standard fix: Check USB cable

The V1.1.2 .exe version is a dedicated Windows utility designed for the MKS DLC32 series. Unlike general-purpose software like LightBurn or LaserGRBL, this tool is specifically for hardware management. You use it to:

Problem 2: Laser Fires Continuously on Startup

• Standard fix: The PWM pin is shorted.
• Better fix: Inside v112exe, go to Settings -> Safety -> Enable Hardware Interlock. Set "Idle Timeout" to 5 seconds. This software hack saves your diode if hardware fails.