Scuffing of boxes by belts and guides
Medium severitySymptoms
Shiny or friction streaks on the printed faces
Probable causes
- Belts dirty with dried glue
- excess pressure
- metal guides rubbing printed faces
- ink/coating with low rub resistance
The Print Guy · 2026-10-05
Other problems in this category
Folder-gluer · TPG-258
Glue bead outside the flap (visible glue)
Glue peeking out of the finished box edge; boxes stuck together in the pile
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Crusted disc/nozzle; intermittent application; glue threads over the machine
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Hotmelt angel hair all over the machine
Adhesive cobwebs between gun and boxes; threads stuck to belts and guides
Folder-gluer · TPG-272
Adhesive degradation from long tank residence
Bonding worsening through the day at constant settings; visibly different viscosity; darker color