1. Introduktion
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 the complete system.
2. Sikkerhedsoplysninger
WARNING: This product contains a Class 2 laser. Improper use can result in serious injury.
- Øjenbeskyttelse: 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.
- Ventilation: Ensure adequate ventilation is in place to remove fumes and particulate matter generated during engraving and cutting. Connect the exhaust system properly.
- Brandsikkerhed: Keep a fire extinguisher nearby. Never leave the machine unattended during operation. Certain materials are highly flammable.
- Elektrisk sikkerhed: Ensure the machine is properly grounded. Do not operate with damaged power cords or in wet conditions.
- Materiale kompatibilitet: Gravér eller skær kun materialer, der er specificeret som sikre til CO2-lasere. Undgå materialer, der producerer giftige dampe eller er meget reflekterende.

Image 2.1: The flame-resistant window allows for safe observation of the engraving process, protecting users from direct laser exposure.
3. Pakkens indhold
Bekræft at alle komponenter er til stede ved udpakning:
- OMTech 90W CO2-lasergravør
- Water Chiller (CW-5200 Industrial Chiller)
- LightBurn Software License
- Honeycomb Workbed
- Aluminum Blade Workbed
- Air Assist Compressor
- Udsugningsventilator og kanalanlæg
- Strømkabel
- USB kabel
- Water Hoses and Clamps
- Tool Kit and Accessories
4. Opsætning
4.1 Udpakning og placering
- 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 Luftassistance- og udstødningssystem
- 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 Elektriske og dataforbindelser
- 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. Betjeningsvejledning
5.1 Tænd
- 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.
- Luk maskinens låg.
- 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 jobbet til lasergravøren.

Image 5.3: The LightBurn software interface, providing comprehensive control over design, settings, and job execution.
5.4 Graverings- og skæreproces
- 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. Vedligeholdelse
Regelmæssig vedligeholdelse sikrer optimal ydeevne og forlænger levetiden for din lasergravør.
- Rengøring af linser og spejle: Periodically clean the optical lenses and mirrors with specialized lens cleaning solution and wipes to maintain laser beam quality.
- Vedligeholdelse af vandkøler: 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.
- Rengøring af arbejdsbord: Remove debris and residue from the honeycomb and blade workbeds regularly to prevent buildup and ensure proper material support.
- Lufthjælpsdyse: 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.
- Pleje af laserrør: 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. Fejlfinding
7.1 Almindelige problemer og løsninger
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Laseren affyrer ikke | 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. |
| Dårlig graverings-/skæringskvalitet | Incorrect focus, dirty optics, wrong power/speed settings, material issues | Perform autofocus, clean lenses/mirrors, adjust power/speed, ensure material is flat and suitable. |
| Maskinen opretter ikke forbindelse til computeren | Loose USB/Ethernet cable, driver issues, incorrect software settings | Check cable connections, reinstall drivers, verify communication settings in LightBurn. |
| Vandkøler alarm | 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. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | OMTech |
| Model | 90W AF |
| Laser Power | 90W CO2 (Yongli H2 Tube) |
| Arbejdsområde | 20" x 28" (500 x 700 mm) |
| Maks. Graveringshastighed | 600 mm/s (23.6 ips) |
| Maks. Graveringsdybde | 0.4" (10 mm) on non-metallic materials |
| Autofokus | Ja |
| Arbejdssenge | Honeycomb og aluminiumsklinge |
| Pass-Through | Fire-vejs |
| Software kompatibilitet | LightBurn (included), RDWorks, CorelDRAW, AutoCAD |
| Forbindelse | USB, Ethernet, USB Flash Drive (Offline) |
| Varens vægt | 258 lbs (117 kg) |
| Produktdimensioner | 59.1 x 34.3 x 35.4 tommer (150 x 87 x 90 cm) |
| Laser klasse | Klasse 2, 0.827 mW udgangseffekt |

Billede 8.1: Overview of the OMTech 90W CO2 Laser Engraver's key specifications and features.
9. Garanti og support
OMTech provides comprehensive customer support for its products.
- Support efter salg: 7 days a week, 24 hours a day.
- Telefon: +1 (949) 438-4949
- E-mail support: SUPPORT@OMTECHLASER.COM
- Teknisk support: TECHSUPPORT@OMTLASER.COM
For the most current warranty information, please refer to the official OMTech webhjemmeside eller kontakt kundeservice direkte.





