Knowledge Center
MWELLPACK Knowledge Directory
Label Machine Troubleshooting
Use these pages to identify whether a problem comes from material, tooling, tension control, web guiding, speed or machine configuration.
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Label Die Cutting Matrix Stripping Problems
Fix labels lifting with the waste, liner damage and waste breaks with kiss-cut and stripping-angle troubleshooting.
Read guideLabel Curling Problems
Fix label curl by balancing face and liner tension, lamination and humidity.
Read guideLabel Dark Cut Edge Problems
Fix dark or burnt cut edges by checking blade sharpness, friction and adhesive.
Read guideLabel Registration Drift Problems
Fix print and die cut alignment drift by checking tension, web guiding and repeat length.
Read guideLabel Adhesive Bleed Problems
Fix adhesive oozing at edges by checking die pressure, temperature and rewind tension.
Read guideLabel UV Curing Problems
Fix under-cure, poor adhesion and yellowing by checking lamp power, dose and ink film.
Read guideLabel Color Variation Problems
Hold color consistency by stabilizing ink density, anilox condition and plate pressure.
Read guideLabel Static Electricity Problems
Troubleshoot dust attraction, mis-feeding and curling by controlling static generation and discharge on film labels.
Read guideFilm Label Ink Adhesion Problems
Understand why ink does not stick to film labels, with surface energy analysis and corona, primer and ink solutions.
Read guideDie Cut Incomplete or Through Liner
Fix the kiss-cut balance between incomplete cuts and liner damage with die and material analysis.
Read guideSlitting Burrs and Adhesive Buildup
Fix burrs, dusty edges and blade buildup by matching blade method and controlling adhesive flow.
Read guideRewinding Wrinkles and Uneven Tension
Fix wrinkles, telescoping and uneven roll tightness with taper tension and air removal.
Read guideLabel Lamination Problems
Troubleshoot lamination bubbles, wrinkles, delamination and curl by checking film tension and nip pressure.
Read guideHow to Reduce Label Waste Matrix Breaks
Fix waste matrix breaks by checking die condition, skeleton strength, stripping angle, speed and rewind torque.
Read guideLabel Slitting Problems and Solutions
Troubleshoot label slitting problems such as burrs, dusty edges, telescoping rolls, uneven tension, web wandering and poor rewind quality.
Read guideWhy Is the Label Slitting Edge Not Clean?
Troubleshoot rough or uneven label slitting edges by checking blade condition, upper and lower circular blade setup, adhesive build-up, web guiding, tension control and rewinding quality.
Read guideDie Cutting Accuracy Problems and Solutions
Troubleshoot label die cutting accuracy problems including registration drift, liner cuts, incomplete cuts, matrix breaks and shape variation.
Read guideWaste Matrix Rewinding Problems and Solutions
Learn how to solve waste matrix rewinding problems including matrix breaks, poor stripping, adhesive buildup, roll blocking and unstable tension.
Read guideRequest Configuration Advice
Need help matching a machine to your label job?
Not sure which machine fits your label production? Send us your material type, web width, roll diameter, finished roll width, core size, required speed and monthly volume. Our engineer will recommend a suitable machine configuration.