Longer is a leading manufacturer of desktop 3D printers and laser engravers, known for its affordable and user-friendly LK series printers and RAY5 laser cutters designed for DIY enthusiasts and makers.
Shenzhen Longer Technology Co., Ltd. (Longer) is a high-tech enterprise specializing in the research, development, and production of additive manufacturing and laser engraving equipment. Established in 2014, the brand has gained a strong reputation in the global maker community for delivering cost-effective yet powerful tools. Their product lineup includes FDM 3D printers like the LK4 and LK5 Pro, resin 3D printers, and the popular RAY5 and B1 series of diode laser engravers.
Longer focuses on making digital fabrication accessible to education, industrial design, and hobbyist sectors. The company provides comprehensive support through firmware updates, software compatibility with industry standards like LightBurn and LaserGRBL, and a growing ecosystem of accessories. With a commitment to innovation, Longer continues to refine its hardware to provide safer and more precise creative solutions.
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You can download the latest firmware from the 'Download & Firmware' section of the official Longer website or their GitHub repository. For the RAY5 series, firmware can be updated via the MKSLaserTool on Windows or the ESPTool Web interface.
Longer laser engravers, such as the RAY5 and B1 series, are compatible with LaserGRBL (free for Windows) and LightBurn (paid software for Windows, Mac, and Linux).
Ensure you have installed the CH340 driver. For macOS users, check your Security & Privacy settings to allow the driver extension. Also, verify that the baud rate in your software is set to 115200.
User manuals are typically included on the TF/SD card provided with the machine. Digital copies are also available on the official Longer 3D website under the Support or Download sections.