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ComMarker · Fiber
ComMarker B6 MOPA 30W
MOPA fiber for color marking and deeper metal engraving
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Last updated How we evaluate
Released September 2024
TL;DR
ComMarker B6 adds MOPA fiber for color effects on stainless and finer control on deep metal engraving. Step up from B4 for shops that need color marking or faster production.
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Best for
What makes this machine stand out
Hardware and workflow features worth understanding before you buy : not just wattage on a label.
Fiber metal marking
A fiber source marks bare and stainless steel without spray : the right tool for tools, jewelry, and industrial tags. It will not cut wood or acrylic; pair it with a diode or CO₂ if your shop needs organics too.
LightBurn compatible
LightBurn support means advanced layers, camera tools, and workflows many makers outgrow the stock app with. Confirm your exact controller board before assuming full features : some machines need a paid license separately.
Our verdict
Ideal if you
ComMarker B6 MOPA 30W fits shops that mark stainless, aluminum, and tools daily without a CO₂ bay. A solid bench option for jewelry, tags, and small batches.
Skip if you
Skip if wood, leather, or cast acrylic pay your bills. Deep metal cutting and large industrial panels often need more fiber headroom or a different machine class.
Pros
- Fiber marks metal: does not cut wood or acrylic
- Software listed on the profile: test your workflow (LightBurn or maker app) on scrap first
Cons
- Does not cut wood, leather, or acrylic: metal marking workflows only
- Fume extraction still matters for coated metals and marking sprays
What this machine is for
MOPA fiber marking with color on stainless and production metal work
Professional metal marking with optional color effects for premium personalization.
Laser spot size
~0.02 mm MOPA spot
Motion precision: 0.01 mm
Sample engrave job
~2–4 min
10 × 10 cm (4 × 4 in)
Sample cut job
Not a cutter
Reference benchmark: same job size on every machine so you can compare times fairly. Times are estimates for the reference job above; your design complexity and settings will change them.
Materials
- · Stainless steel (incl. color)
- · Aluminum
- · Brass
- · Titanium
- · Plastics (select)
Accessories & add-ons
Typical inclusions and add-ons for this profile : confirm your SKU.
- Optional
Enclosure / cabinet
Third-party enclosure improves smoke control and safety
- Recommended
Laser safety glasses
~450 nm diode: OD rated for your wavelength
- Recommended
Fire extinguisher
Editorial guidance : not a live parts list. See also: Ventilation setup · Safety basics
Practical notes
Beginner notes
This profile covers ComMarker B6 MOPA 30W. Read the TL;DR and benchmarks before buying, then compare nearby models on the Compare page.
Pro tips
Build fixture jigs for repeat jobs. Keep lens clean: contamination shows on high-contrast marks.
Pro / technical specsRaw numbers for experienced users comparing machines.
- Max speed (spec)
- 7,000 mm/s
- Avg engrave speed
- 500–2,000 mm/s marking
- Avg cut speed
- N/A
Alternatives to the ComMarker B6 MOPA 30W
Machines in the same space, picked from our database by type, price, and score.
ComMarker · Fiber · $1,299 – $1,899
The ComMarker B4 is a popular entry-level fiber galvo engraver for jewelry, tools, and metal gifts. Marks stainless, aluminum, and brass without spray. Small marking field: not a cutter for wood or acrylic.
Creality · Fiber · $4,999 – $6,499
The 60W MOPA WaveSync head is Creality's top metal module for Falcon T1: pulse control for color effects on stainless and faster deep engraving than the 20W fiber option. For shops that already committed to the T1 chassis and need production metal throughput.
Gweike · Fiber · $2,799 – $3,999
Gweike G6 Split is a larger fiber marking platform with separate laser source cabinet: common format for small production. Available up to 100W; this profile covers the popular 30W tier.