1. Pendahuluan
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 sistem lengkap.
2. Informasi Keselamatan
WARNING: This product contains a Class 2 laser. Improper use can result in serious injury.
- Perlindungan Mata: 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.
- Ventilasi: Ensure adequate ventilation is in place to remove fumes and particulate matter generated during engraving and cutting. Connect the exhaust system properly.
- Keamanan Kebakaran: Keep a fire extinguisher nearby. Never leave the machine unattended during operation. Certain materials are highly flammable.
- Keamanan Listrik: Ensure the machine is properly grounded. Do not operate with damaged power cords or in wet conditions.
- Kompatibilitas Bahan: Hanya gunakan bahan yang telah ditentukan aman untuk laser CO2 untuk mengukir atau memotong. Hindari bahan yang menghasilkan asap beracun atau memiliki daya pantul tinggi.

Image 2.1: The flame-resistant window allows for safe observation of the engraving process, protecting users from direct laser exposure.
3. Isi Paket
Verifikasi bahwa semua komponen ada saat membuka kotak:
- 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
- Kabel listrik
- Kabel USB
- Water Hoses and Clamps
- Tool Kit and Accessories
4. Pengaturan
4.1 Pembongkaran dan Penempatan
- 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).
- Pastikan terdapat ruang yang cukup di sekitar mesin untuk ventilasi dan akses.
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. Petunjuk Pengoperasian
5.1 Menghidupkan
- 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.
- Tutup penutup mesin.
- 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 Proses Pengukiran dan Pemotongan
- 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. Pemeliharaan
Perawatan rutin memastikan kinerja optimal dan memperpanjang umur pakai mesin ukir laser Anda.
- Pembersihan Lensa dan Cermin: 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.
- Nosel Bantuan Udara: 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.
- Perawatan Tabung Laser: 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. Penyelesaian masalah
7.1 Masalah Umum dan Solusinya
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Laser tidak menyala | 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. |
| Kualitas ukiran/pemotongan yang buruk | Incorrect focus, dirty optics, wrong power/speed settings, material issues | Perform autofocus, clean lenses/mirrors, adjust power/speed, ensure material is flat and suitable. |
| Mesin tidak terhubung ke komputer. | Loose USB/Ethernet cable, driver issues, incorrect software settings | Check cable connections, reinstall drivers, verify communication settings in LightBurn. |
| Alarm pendingin air | 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. Spesifikasi
| Fitur | Detil |
|---|---|
| Merek | Teknologi OM |
| Model | 90W AF |
| Kekuatan Laser | 90W CO2 (Yongli H2 Tube) |
| Area Kerja | 20" x 28" (500 x 700 mm) |
| Maks. Kecepatan Ukiran | 600 mm/detik (23.6 ips) |
| Maks. Kedalaman ukiran | 0.4" (10 mm) on non-metallic materials |
| Fokus otomatis | Ya |
| Workbeds | Honeycomb and Aluminum Blade |
| Melewati | Empat cara |
| Kompatibilitas Perangkat Lunak | LightBurn (included), RDWorks, CorelDRAW, AutoCAD |
| Konektivitas | USB, Ethernet, USB Flash Drive (Offline) |
| Berat Barang | 258 pon (117 kg) |
| Dimensi Produk | 59.1 x 34.3 x 35.4 inci (150 x 87 x 90 cm) |
| Kelas Laser | Class 2, 0.827 mW output power |

Gambar 8.1: Selesaiview of the OMTech 90W CO2 Laser Engraver's key specifications and features.
9. Garansi dan Dukungan
OMTech provides comprehensive customer support for its products.
- Dukungan Purnajual: 7 days a week, 24 hours a day.
- Telepon: +1 (949) 438-4949
- Dukungan Email: SUPPORT@OMTECHLASER.COM
- Dukungan Teknis: TECHSUPPORT@OMTLASER.COM
For the most current warranty information, please refer to the official OMTech websitus atau hubungi layanan pelanggan secara langsung.