1. परिचय
This manual provides essential information for the safe and efficient operation, setup, and maintenance of your OMTech 90W CO2 Laser Engraver. This machine is designed for precision engraving and cutting of various non-metallic materials, featuring autofocus, a 20"x28" work area, and integration with LightBurn software. Please read this manual thoroughly before operating the equipment.

Image 1.1: The OMTech 90W CO2 Laser Engraver with its accompanying water chiller and LightBurn software logo, showcasinसंपूर्ण प्रणाली.
2. सुरक्षितता माहिती
WARNING: This product contains a Class 2 laser. Improper use can result in serious injury.
- डोळ्यांचे संरक्षण: Always wear appropriate laser safety glasses when operating or observing the laser. The machine features a flame-resistant window for safe observation, but direct exposure to the laser beam must be avoided.
- वायुवीजन: Ensure adequate ventilation is in place to remove fumes and particulate matter generated during engraving and cutting. Connect the exhaust system properly.
- अग्निसुरक्षा: Keep a fire extinguisher nearby. Never leave the machine unattended during operation. Certain materials are highly flammable.
- विद्युत सुरक्षा: Ensure the machine is properly grounded. Do not operate with damaged power cords or in wet conditions.
- साहित्य सुसंगतता: फक्त CO2 लेसरसाठी सुरक्षित म्हणून निर्दिष्ट केलेले साहित्य खोदकाम किंवा कट करा. विषारी धूर निर्माण करणारे किंवा जास्त परावर्तित करणारे साहित्य टाळा.

Image 2.1: The flame-resistant window allows for safe observation of the engraving process, protecting users from direct laser exposure.
3. पॅकेज सामग्री
अनबॉक्सिंग करताना सर्व घटक उपस्थित आहेत याची खात्री करा:
- OMTech 90W CO2 Laser Engraver
- Water Chiller (CW-5200 Industrial Chiller)
- LightBurn Software License
- Honeycomb Workbed
- Aluminum Blade Workbed
- एअर असिस्ट कंप्रेसर
- एक्झॉस्ट फॅन आणि डक्टिंग
- पॉवर केबल
- यूएसबी केबल
- Water Hoses and Clamps
- टूल किट आणि अॅक्सेसरीज
4. सेटअप
4.1 अनपॅकिंग आणि प्लेसमेंट
- पॅकेजिंगमधून लेसर एनग्रेव्हर आणि सर्व अॅक्सेसरीज काळजीपूर्वक काढा.
- Place the machine on a stable, level surface capable of supporting its weight (approximately 258 lbs).
- Ensure adequate clearance around the machine for ventilation and access.
4.2 Water Chiller Connection
The included CW-5200 water chiller is crucial for maintaining the laser tube's temperature and extending its lifespan.

Image 4.1: The CW-5200 industrial water chiller, essential for cooling the laser tube during operation.
- Fill the water chiller reservoir with distilled water (approximately 6-7 liters). Do not use tap water.
- Connect the chiller's inlet and outlet ports to the corresponding ports on the laser engraver using the provided hoses and clamps. Ensure a secure, leak-free connection.
- Power on the chiller and allow it to circulate water and stabilize temperature before operating the laser.
4.3 Air Assist and Exhaust System
- Connect the air assist compressor to the designated port on the laser engraver.
- Attach the exhaust fan and ducting to the machine's exhaust port. Route the ducting to an outdoor vent or a suitable filtration system to safely remove fumes.
4.4 Electrical and Data Connections
- Connect the main power cable to a grounded electrical outlet.
- Connect the laser engraver to your computer via USB or Ethernet cable.
- Install the LightBurn software on your computer using the provided license key.
5. ऑपरेटिंग सूचना
5.1 पॉवरिंग चालू
- Ensure the water chiller is running and circulating water.
- लेसर एनग्रेव्हरवरील मुख्य पॉवर स्विच चालू करा.
- The digital control panel will initialize.

Image 5.1: The digital control panel offers intuitive operation and compatibility with various design software, including LightBurn.
5.2 Material Loading and Autofocus
- Place your material onto the desired workbed (honeycomb for cutting, blade for engraving). The machine includes both a honeycomb and an aluminum blade bed.
- मशीनचे झाकण बंद करा.
- Utilize the autofocus feature by pressing the designated button on the control panel or through LightBurn. The laser head will automatically adjust to the correct focal distance for your material.

Image 5.2: The rapid autofocus system eliminates manual adjustments, ensuring precise focal distance with a single button press.
5.3 Using LightBurn Software
- Open LightBurn and import or create your design.
- Set appropriate laser parameters (speed, power, number of passes) based on your material and desired outcome. Refer to material test guides for optimal settings.
- Position your design on the virtual work area to match your material placement.
- Send the job to the laser engraver.

Image 5.3: The LightBurn software interface, providing comprehensive control over design, settings, and job execution.
६.३ खोदकाम आणि कटिंग प्रक्रिया
- Initiate the job from the control panel or LightBurn.
- Monitor the process through the flame-resistant window.
- The machine operates at speeds up to 600 mm/s, significantly boosting productivity.

Image 5.4: The laser head moving rapidly across a workpiece, demonstrating the 600 mm/s engraving speed.
5.5 Using Four-Way Pass-Through Doors
For larger or longer materials that exceed the 20"x28" work area, utilize the four-way pass-through doors.

Image 5.5: The four-way pass-through design allows for processing materials longer than the workbed, enhancing versatility.
6. देखभाल
नियमित देखभालीमुळे इष्टतम कामगिरी सुनिश्चित होते आणि तुमच्या लेसर एनग्रेव्हरचे आयुष्य वाढते.
- लेन्स आणि आरसे साफ करणे: Periodically clean the optical lenses and mirrors with specialized lens cleaning solution and wipes to maintain laser beam quality.
- Water Chiller Maintenance: Change the distilled water in the chiller every 1-3 months, depending on usage. Monitor water temperature to ensure it remains within the recommended range.
- कामाच्या जागी स्वच्छता: Remove debris and residue from the honeycomb and blade workbeds regularly to prevent buildup and ensure proper material support.
- एअर असिस्ट नोजल: Check and clean the air assist nozzle to ensure a clear path for compressed air, which helps prevent flare-ups and keeps the lens clean.
- लेसर ट्यूब केअर: The Yongli H2 tube has a lifespan of up to 8,000 hours. Consistent use at lower power settings can extend its life. Handle with care during any inspection or replacement.

Image 6.1: The high-performance Yongli H2 laser tube, designed for efficiency and longevity.
7. समस्या निवारण
7.1 सामान्य समस्या आणि उपाय
| समस्या | संभाव्य कारण | उपाय |
|---|---|---|
| लेझर फायरिंग नाही | Water chiller alarm, lid open, emergency stop engaged, power settings too low | Check chiller status, ensure lid is closed, disengage emergency stop, verify power settings in software. |
| खराब खोदकाम/कटिंग गुणवत्ता | Incorrect focus, dirty optics, wrong power/speed settings, material issues | Perform autofocus, clean lenses/mirrors, adjust power/speed, ensure material is flat and suitable. |
| मशीन संगणकाशी कनेक्ट होत नाही | Loose USB/Ethernet cable, driver issues, incorrect software settings | Check cable connections, reinstall drivers, verify communication settings in LightBurn. |
| वॉटर चिलर अलार्म | Low water level, high water temperature, pump malfunction | Check water level and refill with distilled water, ensure proper ventilation for chiller, contact support if pump issue persists. |
8. तपशील
| वैशिष्ट्य | तपशील |
|---|---|
| ब्रँड | OMTech |
| मॉडेल | 90W AF |
| लेझर पॉवर | 90W CO2 (Yongli H2 Tube) |
| कार्य क्षेत्र | १५.८" x १६.१" (४०० x ४१० मिमी) |
| कमाल खोदकाम गती | 600 mm/s (23.6 ips) |
| कमाल खोदकाम खोली | 0.4" (10 mm) on non-metallic materials |
| ऑटोफोकस | होय |
| Workbeds | Honeycomb and Aluminum Blade |
| पास-थ्रू | चार-मार्ग |
| सॉफ्टवेअर सुसंगतता | LightBurn (included), RDWorks, CorelDRAW, AutoCAD |
| कनेक्टिव्हिटी | USB, Ethernet, USB Flash Drive (Offline) |
| आयटम वजन | 258 एलबीएस (117 किलो) |
| उत्पादन परिमाणे | 59.1 x 34.3 x 35.4 इंच (150 x 87 x 90 सेमी) |
| लेझर वर्ग | Class 2, 0.827 mW output power |

प्रतिमा 8.1: ओव्हरview of the OMTech 90W CO2 Laser Engraver's key specifications and features.
9. हमी आणि समर्थन
OMTech provides comprehensive customer support for its products.
- विक्रीनंतरचा आधार: 7 days a week, 24 hours a day.
- दूरध्वनी: +५२ (८१) ८३८४-८३००
- ईमेल समर्थन: SUPPORT@OMTECHLASER.COM
- तांत्रिक समर्थन: TECHSUPPORT@OMTLASER.COM
For the most current warranty information, please refer to the official OMTech webसाइट किंवा थेट ग्राहक सेवेशी संपर्क साधा.





