1. Entwodiksyon
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, showcasing sistèm konplè a.
2. Enfòmasyon sou Sekirite
WARNING: This product contains a Class 2 laser. Improper use can result in serious injury.
- Pwoteksyon je: 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.
- Vantilasyon: Ensure adequate ventilation is in place to remove fumes and particulate matter generated during engraving and cutting. Connect the exhaust system properly.
- Sekirite dife: Keep a fire extinguisher nearby. Never leave the machine unattended during operation. Certain materials are highly flammable.
- Sekirite elektrik: Ensure the machine is properly grounded. Do not operate with damaged power cords or in wet conditions.
- Konpatibilite materyèl: Only engrave or cut materials specified as safe for CO2 lasers. Avoid materials that produce toxic fumes or are highly reflective.

Image 2.1: The flame-resistant window allows for safe observation of the engraving process, protecting users from direct laser exposure.
3. Pake kontni
Verifye ke tout konpozan yo prezan lè w ap debale l:
- OMTech 90W CO2 Laser Engraver
- Water Chiller (CW-5200 Industrial Chiller)
- LightBurn Software License
- Honeycomb Workbed
- Aluminum Blade Workbed
- Air Assist Compressor
- Exhaust Fan and Ducting
- Pouvwa kab
- USB kab
- Water Hoses and Clamps
- Tool Kit and Accessories
4. Enstalasyon
4.1 Debalaj ak plasman
- Carefully remove the laser engraver and all accessories from the packaging.
- 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. Operasyon Enstriksyon
5.1 Limen
- Ensure the water chiller is running and circulating water.
- Turn on the main power switch on the laser engraver.
- 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.
- Fèmen kouvèti machin lan.
- 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.
5.4 Pwosesis Gravure ak Koupe
- 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. Antretyen
Antretyen regilye asire pèfòmans optimal epi pwolonje dire lavi graveur lazè ou a.
- Netwayaj lantiy ak miwa: 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.
- Workbed Cleaning: Remove debris and residue from the honeycomb and blade workbeds regularly to prevent buildup and ensure proper material support.
- Air Assist Nozzle: 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.
- Laser Tube Care: 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.
NAN. Depanaj
7.1 Pwoblèm komen ak solisyon
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Lazè pa tire | 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. |
| Move kalite gravur/koupe | Incorrect focus, dirty optics, wrong power/speed settings, material issues | Perform autofocus, clean lenses/mirrors, adjust power/speed, ensure material is flat and suitable. |
| Machin nan pa konekte ak òdinatè a | Loose USB/Ethernet cable, driver issues, incorrect software settings | Check cable connections, reinstall drivers, verify communication settings in LightBurn. |
| Alam chiller dlo | 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. Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Mak | OMTech |
| Modèl | 90W AF |
| Lazè pouvwa | 90W CO2 (Yongli H2 Tube) |
| Zòn Travay | 20" x 28" (500 x 700 mm) |
| Max. Gravure vitès | 600 mm/s (23.6 ips) |
| Max. Gravure pwofondè | 0.4" (10 mm) on non-metallic materials |
| Autofocus | Wi |
| Workbeds | Honeycomb and Aluminum Blade |
| Pase-Atravè | Kat-fason |
| Konpatibilite lojisyèl | LightBurn (included), RDWorks, CorelDRAW, AutoCAD |
| Koneksyon | USB, Ethernet, USB Flash Drive (Offline) |
| Pwa atik | 258 liv (117 kg) |
| Dimansyon pwodwi | 59.1 x 34.3 x 35.4 pous (150 x 87 x 90 cm) |
| Klas Lazè | Class 2, 0.827 mW output power |

Imaj 8.1: Plis paseview of the OMTech 90W CO2 Laser Engraver's key specifications and features.
9. Garanti ak sipò
OMTech provides comprehensive customer support for its products.
- Sipò apre-vant: 7 days a week, 24 hours a day.
- Telefòn: +1 (949) 438-4949
- Sipò Imèl: SUPPORT@OMTECHLASER.COM
- Sipò teknik: TECHSUPPORT@OMTLASER.COM
For the most current warranty information, please refer to the official OMTech websit oswa kontakte sèvis kliyan dirèkteman.