Gun firing out of sync with the box

High severity

Symptoms

Bead starting before or after the flap; glue on the edge or a bare flap end

Probable causes

  • Dirty or misplaced trigger photocell
  • delay set wrong for the speed
  • decoupled encoder
  • slow nozzle response

Create a free account to see the fix

Includes 5 steps and prevention

The step-by-step solution and prevention for this problem are in your account. A free account shows 1 full solution per day; paid plans are unlimited.

The Print Guy · 2026-10-05

Other problems in this category

All Folder-gluer problems (18) →

Other categories