Do not connect your printer via USB until instructed to do so. Decompress the downloaded file (if it is a .zip file). Double-click the Setup.exe or DriverInstall.exe file.

Thermal Printer Mobile LK-6018 is a compact, A4-sized portable device primarily used as a tattoo transfer machine or a mobile office printer. It uses direct thermal technology, eliminating the need for ink or toner. Driver & Software Support

USB (standard) or Bluetooth (model dependent).

| Problem | Likely Fix | |---------|-------------| | Printer prints gibberish characters | You selected a PCL/laser driver → Change to or ESC/POS driver | | Bluetooth paired but not printing | Check COM port number (Win): Control Panel → Devices → LK 6018 → Properties → Hardware → Change Bluetooth COM port to lower number (e.g., COM3) | | Paper feeds but no text | Roll is loaded upside down (thermal paper has one coated side – use fingernail scratch test; if no mark, flip roll) | | Driver install fails on Win 11 | Disable Memory Integrity (Core Isolation) temporarily, install, then re-enable | | “Driver not signed” error | Boot Windows → Disable driver signature enforcement → Restart, install, then re-enable |

When downloading drivers from third-party sites, ensure you are getting the correct file for your operating system and hardware version to avoid installing malicious software. The filename is often THERMAL PRINTER 3.5.1.exe and appears to be the standard installer for this family of devices.