1. Вступ
Thank you for choosing the OMTech 70W CO2 Laser Engraver and Cutter. This manual provides essential information for the safe and efficient operation, setup, and maintenance of your new laser machine. Please read this manual thoroughly before operating the device to ensure proper usage and to prevent damage or injury.
This laser engraver is designed for precision engraving and cutting of various materials, featuring a 400x750 mm (16x30 inch) workbed, autofocus capability, and Ruida controls. It is compatible with LightBurn software and supports Windows, Mac OSX, and Linux operating systems, making it suitable for a wide range of home DIY and professional applications.

Figure 1.1: The OMTech 70W CO2 Laser Engraver and Cutter, showcasing its design and the LightBurn software logo.
2. Інформація про безпеку
Operating a laser engraver involves inherent risks. Adhere to all safety guidelines to prevent injury or damage to the equipment. This device is a Laser Class 2 product with 0.827 mW output power.
2.1 Загальні заходи безпеки
- Always wear appropriate laser safety glasses when the laser is in operation.
- Ensure proper ventilation to remove fumes and smoke generated during engraving/cutting.
- Ніколи не залишайте машину без нагляду під час роботи.
- Тримайте вогнегасник поруч і знайте, як ним користуватися.
- Do not engrave or cut materials that produce toxic fumes or are highly flammable.
- Переконайтеся, що машина належним чином заземлена.
- Тримайте руки та вільний одяг подалі від рухомих частин.
- Від’єднайте живлення перед будь-яким технічним обслуговуванням або очищенням.
2.2 Аварійна зупинка
Locate the emergency stop button on the control panel. In case of any emergency, press this button immediately to halt all machine operations.
3. Продукт закінчивсяview & Компоненти
The OMTech 70W CO2 Laser Engraver is equipped with several key features for optimal performance and user convenience.

Figure 3.1: Key features of the OMTech 70W CO2 Laser Engraver, including engraving area, laser tube power, autofocus, and auto-lift platform.
3.1 Основні компоненти
- 70W CO2 Laser Tube: The core component for engraving and cutting.
- Система автофокусу: Automatically adjusts the laser focus for different material thicknesses.
- Electric Lift Workbed: Allows for easy adjustment of the working distance.
- Ruida Control Panel: Intuitive interface for machine operation and settings.
- 16" x 30" (400x750 mm) Engraving Area: Забезпечує ampпростір для різних проектів.
- Debris Collection System: Helps manage waste materials.
- 4-Way Pass-Through Doors: Enables processing of larger materials.
- Transparent Acrylic Glass Cover: Для безпечного viewing of the engraving process.

Figure 3.2: Visual breakdown of the OMTech laser engraver's key components, including the work bed, debris collection, laser tube, control panel, autofocus, and pass-through.
4. Посібник із налаштування
Follow these steps for the initial setup of your OMTech laser engraver.
4.1 Розпакування та розміщення
- Carefully remove the machine from its packaging. It is recommended to have at least two people for this process due to the machine's weight (approximately 114 kg).
- Розмістіть гравер на стійкій, рівній поверхні в добре провітрюваному приміщенні, подалі від легкозаймистих матеріалів.
- Ensure there is sufficient space around the machine for operation and maintenance, especially for the 4-way pass-through doors.
4.2 Підключення периферійних пристроїв
- Connect the exhaust fan system to the machine and vent it outdoors or to a suitable filtration system.
- Connect the water chiller (not included, but essential for laser tube cooling) to the laser tube's inlet and outlet ports. Ensure the chiller is filled with distilled water.
- Connect the power cable to a grounded electrical outlet.
- Connect the machine to your computer via USB or Ethernet cable.
5. Інструкція з експлуатації
This section details the basic operation of your laser engraver.
5.1 Увімкнення та початкові перевірки
- Ensure the water chiller is running and circulating water through the laser tube.
- Turn on the main power switch on the machine.
- The Ruida control panel will power on.

Figure 5.1: The Ruida Digital Control Panel, showing its display and various function buttons.
5.2 Loading Material and Focusing
- Place your material onto the workbed.
- Use the electric lift workbed controls on the Ruida panel to adjust the bed height.
- Utilize the autofocus function by pressing the dedicated button on the control panel. The machine will automatically adjust the laser head to the correct focal distance for your material.

Малюнок 5.2: Збільшений план view of the autofocus mechanism, which automatically corrects focus at the touch of a button.
5.3 Starting a Job
- Prepare your design in LightBurn or other compatible software (see Section 6).
- Send the job to the laser engraver.
- On the Ruida panel, select the job and press "Start" or "Run/Pause".
- Monitor the engraving/cutting process closely.
6. Software & Connectivity
Your OMTech laser engraver is designed for seamless integration with various software platforms.
6.1 Сумісні системи
The machine is compatible with:
- операційні системи Windows
- Mac OSX operating systems
- Linux operating systems

Figure 6.1: Visual representation of the laser engraver's compatibility with Windows, Linux, and Mac OS.
6.2 Рекомендоване програмне забезпечення
- LightBurn: Highly recommended software for laser engraving and cutting, offering powerful design and control features.
- RDWorks: Included software for Windows users.
- CorelLaser: Included software for Windows users, compatible with CorelDRAW.
- Програмне забезпечення сторонніх розробників: Compatible with other software like AutoCAD.
For detailed instructions on software installation and usage, please refer to the respective software manuals or online resources.
7. Технічне обслуговування та догляд
Регулярне технічне обслуговування забезпечує довговічність та оптимальну продуктивність вашого лазерного граверу.
7.1 Щоденне технічне обслуговування
- Clean the workbed and debris collection system after each use.
- Inspect the laser lens and mirrors for dust or debris. Clean gently with a lens cleaning solution and cotton swab if necessary.
- Check the water level and temperature in the chiller.
7.2 Щотижневе/щомісячне технічне обслуговування
- Clean and lubricate the guide rails and bearings to ensure smooth movement of the laser head.
- Inspect the laser tube for any signs of damage or degradation.
- Replace the water in the chiller with fresh distilled water.

Figure 7.1: Close-up of the 70W CO2 laser tube, which produces stable beams over its long service life.
8. Вирішення проблем
У цьому розділі розглядаються поширені проблеми, з якими ви можете зіткнутися, та їхні можливі рішення.
| проблема | Можлива причина | Рішення |
|---|---|---|
| Лазер не спрацьовує | No water flow from chiller, chiller error, laser tube issue, power supply issue. | Check chiller connection and water level. Verify laser power supply. Contact support if tube is faulty. |
| Погана якість гравіювання/різання | Incorrect focus, dirty lens/mirrors, wrong power/speed settings, material issues. | Perform autofocus. Clean optics. Adjust power/speed settings in software. Ensure material is suitable. |
| Машина не підключається до комп'ютера | Loose USB/Ethernet cable, driver issues, software settings. | Check cable connections. Reinstall drivers. Verify software communication settings. |
| Workbed not moving | Motor issue, control panel issue, obstruction. | Check for obstructions. Restart machine. If problem persists, contact support. |
9. Технічні характеристики
| Специфікація | Деталь |
|---|---|
| Номер моделі | USB7B47 OMTCA |
| Тип лазера | CO2 лазер |
| Потужність лазера | 70 Вт |
| Лазерний клас | Class 2 (0.827 mW output power) |
| Зона гравіювання | 400 x 750 мм (16 x 30 дюйма) |
| Workbed Type | Electric Lift Workbed (Dual Honeycomb & Knife Blade Platforms) |
| Система контролю | Ruida Controls |
| Сумісне програмне забезпечення | LightBurn, RDWorks, CorelLaser, AutoCAD |
| Сумісна ОС | Windows, Mac OSX, Linux |
| Розміри продукту | 125.98 x 91.95 x 87.12 см (49.6 x 36.2 x 34.3 дюйма) |
| Вага товару | 113.99 кг (251.3 фунта) |
| матеріал | LCD (likely referring to the control panel display) |

Figure 9.1: The spacious 16" x 30" engraving area, providing over 3.3 square feet for projects.
10. Гарантія та підтримка
For warranty information and technical support, please refer to the official OMTech website or contact their customer service directly. Keep your purchase receipt and model number (USB7B47 OMTCA) handy for any inquiries.
You can visit the OMTech Store for more information: OMTech Official Store





