
4 manufacturer photos · 1 / 4
ComMarker · Fiber
ComMarker B6 MOPA 30W
MOPA fiber for color marking and deeper metal engraving
Last updated How we evaluate
Released September 2024
What this machine is for
MOPA fiber marking with color on stainless and production metal work
Reference benchmark same job size on every machine so you can compare times fairly.
Laser spot size
~0.02 mm MOPA spot
Smaller spot = finer detail (frame motion is usually the same across tiers)
Motion precision: 0.01 mm
Sample engrave job
~2–4 min
Filled logo on stainless steel plate
10 × 10 cm (4 × 4 in)
Sample cut job
Not a cutter
Times are estimates for the reference job above; your design complexity and settings will change them.
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.
What this machine is for
Professional metal marking with optional color effects for premium personalization.
Best for
Materials
Engraves
- · Stainless steel (incl. color)
- · Aluminum
- · Brass
- · Titanium
- · Plastics (select)
Cuts
- · Limited cutting ability
Cannot do
- · Wood
- · Acrylic cutting
- · Large-format organic work
Pros
- ✓MOPA color on stainless for premium products
- ✓More power than 20W entry fiber
- ✓Good for production batches with fixtures
- ✓JPT source options on some SKUs
Cons
- ✗Significantly more expensive than B4
- ✗Still a marking machine — not a workshop cutter
- ✗Software learning curve (EZCAD/LightBurn)
- ✗Color results depend on material batch
Beginner notes
Choose B6 over B4 when you sell color metal products or need faster cycle times on steel.
Pro tips
Build fixture jigs for repeat jobs. Keep lens clean — contamination shows on high-contrast marks.
Pro / technical specs
Raw numbers for experienced users comparing machines.
- Laser spot size
- ~0.02 mm MOPA spot
- Max speed (spec)
- 7,000 mm/s
- Avg engrave speed
- 500–2,000 mm/s marking
- Avg cut speed
- N/A
- Motion precision
- 0.01 mm