Back prints perfectly. Front prints incomplete. Same bag—so what changed? This technical deep dive reveals why thermal transfer failures are often caused by printer settings, not packaging materials, and how to diagnose the issue fast.

A repeat order, a snapping perforation, and a 360g mystery: Everyone blamed the bag, until we looked at the physics—and found the real culprit hiding in plain sight.

A practical guide to how next‑bag‑out printing depends on bag quality, with simple checkpoints you can use to qualify suppliers and cut reprints and downtime.