Troubleshooting
Burn marks, cuts that do not go through, uneven engraving: causes and fixes.
Problem finder: what do you see?
Choose the symptom that fits best. You go straight to causes and fixes.
Brown edges or a haze of smokeDiscolouration next to engraving and cutCut does not go all the way throughPart is still attached at the bottomThick sheets not cut through despite several passesCut widens towards the bottom and ends in a VEngraving unevenly light and darkStripes, spots or one edge darkerLines wide and blurredLaser spot too large, little power arrivesFlames while cuttingMaterial burns in the cut
All articles
Burn Marks When Laser Cutting: Avoiding Scorching and Smoke Streaks
Dark edges, yellow smoke streaks, stains on the back? Where laser burn marks come from, how masking tape helps and how to remove them afterwards.
Laser not cutting through: finding and fixing the causes
The cut stops short and parts will not come out? Check focus, lens, power, material and support surface in turn.
Uneven laser engraving: causes and solutions
Engraving sometimes light, sometimes dark, with dark edges or stripes? The most common causes, from focus and mechanics to overscan, and how to fix them.