📘 Longer manuals • Free online PDFs

Longer Manuals & User Guides

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.

Tip: include the full model number printed on your Longer label for the best match.

Longer Support

Official site: https://www.longer3d.com
General support: https://www.longer3d.com/pages/support
Warranty & registration: Warranty info
Support email: support@longer.net
Contact form: Contact manufacturer support

Longer manuals

Selected manuals from manuals+ curated for this brand.

LONGER RAY5 Rotary Roller User Manual - Installation and Operation Guide

User Manual

Comprehensive user manual for the LONGER RAY5 Rotary Roller. Covers software installation (GRBL, LightBurn), configuration, structural details, gap adjustment, motor cable connection, and essential safety precautions for laser engraving applications.

Longer Laser Module S22 Installation Guide

Installation Guide

Step-by-step instructions for assembling and installing the Longer Laser Module S22, including detailed descriptions of each step and component for laser engraver users.

LONGER RAY5 20W Laser Engraver User Manual

User Manual

Comprehensive user manual for the LONGER RAY5 20W Laser Engraver, detailing safety, specifications, operation, software, and troubleshooting.

LONGER RAY5 20W Laser Engraver User Manual - Safety, Operation & Specifications

User Manual

Comprehensive user manual for the LONGER RAY5 20W Laser Engraver. Covers safety precautions, product specifications, machine operation, software setup (LaserGRBL, LightBurn), and frequently asked questions.

LONGER RAY5 mini Series Laser Engraver FAQ and Troubleshooting Guide

FAQ document

Frequently Asked Questions (FAQ) and troubleshooting guide for the LONGER RAY5 mini series laser engraver, covering firmware updates, connectivity, software issues, engraving quality, and more.

LONGER RAY5 20W Laser Engraver Quick Start Guide

Quick Start Guide

This quick start guide provides essential information for setting up and safely operating the LONGER RAY5 20W laser engraver. Learn about laser safety, assembly steps, packing contents, and initial adjustments.

LONGER RAY5 Laser Engraver Quick Start Guide & Safety Information

quick start guide

Comprehensive quick start guide and safety instructions for the LONGER RAY5 laser engraver, covering setup, operation, and laser safety. Includes installation steps and packing list.

LONGER Nano Pro Standard Set Quick Start Guide | Laser Engraver Setup

Quick Start Guide

This quick start guide provides essential information for setting up and operating the LONGER Nano Pro laser engraver, including software installation, safety precautions, and basic usage instructions.

LONGER RAY5 Lasergravierer: Schnellstartanleitung und Bedienungshandbuch

Quick Start Guide and User Manual

Umfassende Anleitung für den LONGER RAY5 Lasergravierer, die Einrichtung, Bedienung, Sicherheitshinweise, Softwarenutzung (LaserGRBL, LightBurn) und Fehlerbehebung abdeckt. Erfahren Sie, wie Sie Ihren RAY5 Lasergravierer effektiv und sicher nutzen.

LONGER RAY5 Rotary Roller Quick Start Guide

quick start guide

Quick start guide for the LONGER RAY5 Rotary Roller, covering software configuration, safety statements, and assembly instructions for laser engraver users.

LONGER RAY5 Firmware Upgrade Guide

firmware upgrading guide

Instructions for upgrading the firmware of the LONGER RAY5 laser engraver using the MKSLaserTool and updating configuration files.

LONGER RAY5 Laser Engraver Quick Start Guide

Quick Start Guide

Concise quick start guide for the LONGER RAY5 laser engraver, covering setup, safety, and basic operation. Learn how to assemble and begin using your laser engraver.

Longer manuals from online retailers

Longer Laser B1 20W Laser Engraver Cutter User Manual

B1 • October 26, 2025

Comprehensive user manual for the Longer Laser B1 20W Laser Engraver Cutter, covering setup, operation, maintenance, and troubleshooting for wood, metal, paper, acrylic, glass, and leather.

Longer 20W Laser Engraver Module Instruction Manual

20W Laser Engraver Module • October 16, 2025

Comprehensive instruction manual for the Longer 20W Laser Engraver Module, covering setup, operation, maintenance, and troubleshooting for RAY5 and B1 Series compatibility.

LONGER Ray5 mini Laser Engraver 2.5W Instruction Manual

RAY5 Mini • October 9, 2025

Comprehensive instruction manual for the LONGER Ray5 mini 2.5W Laser Engraver, covering setup, operation, maintenance, and safety guidelines.

LONGER RAY5 10W Laser Engraver and Cutter with Enclosure User Manual

RAY5 10W • September 21, 2025

Comprehensive instruction manual for the LONGER RAY5 10W Laser Engraver and Cutter, including setup, operation, maintenance, safety guidelines, and specifications for the laser machine and its protective enclosure.

LONGER RAY5 5W Laser Engraver User Manual

RAY5 5W • September 19, 2025

Comprehensive user manual for the LONGER RAY5 5W Laser Engraver, covering setup, operation, maintenance, and safety information.

Longer RAY5 Laser Engraver XY Axis Expansion Kit User Manual

RAY5 XY Kit • September 19, 2025

Comprehensive user manual for the Longer RAY5 Laser Engraver XY Axis Expansion Kit, providing detailed instructions for setup, operation, maintenance, and troubleshooting to expand your engraving area and…

Longer Laser B1 30W Laser Engraver Cutter Instruction Manual

1-B1 • August 13, 2025

Comprehensive instruction manual for the Longer Laser B1 30W Laser Engraver Cutter, covering setup, operation, maintenance, troubleshooting, and specifications for optimal performance.

Longer Laser B1 40W Laser Engraver Cutter User Manual

Laser B1 • August 13, 2025

User manual for the Longer Laser B1 40W Laser Engraver Cutter. This guide covers setup, operation, maintenance, troubleshooting, specifications, warranty, and support for the B1 laser engraving machine,…

Longer B1 24000mW Laser Engraver Instruction Manual

B1 24000mW • August 13, 2025

Comprehensive instruction manual for the Longer B1 24000mW Laser Engraver, covering setup, operation, maintenance, safety features, specifications, and troubleshooting.

LONGER Ray5 10W Laser Engraver User Manual

Ray5 10W • August 10, 2025

Comprehensive user manual for the LONGER Ray5 10W Laser Engraver, covering setup, operation, maintenance, specifications, and safety guidelines for precise engraving and cutting.

LONGER RAY5 20W Laser Engraver User Manual

Ray5 20W • July 29, 2025

Comprehensive instruction manual for the LONGER RAY5 20W Laser Engraver, covering setup, operation, maintenance, troubleshooting, and safety guidelines.

Longer RAY5 Laser Engraver User Manual

RAY5 10W • July 29, 2025

User manual for the Longer RAY5 Laser Engraver, covering setup, operation, maintenance, troubleshooting, specifications, and support for the 10W output power model with 3.5-inch color touch screen and…