Paper/Board problems: causes and fixes
10 Paper/Board problems in offset printing and finishing: symptoms, probable causes, step-by-step fixes and prevention.
Paper/Board · TPG-102
Multi-ply board delamination
Board layers separating at die-cutting, creasing or gluing
Paper/Board · TPG-098
Paper curl
Curved sheets causing trouble at feeder and delivery
Paper/Board · TPG-099
Wavy edges
Waves along the pile edges; wrinkles and variable registration
Paper/Board · TPG-100
Tight edges
Stiff edges and domed center; corner wrinkles
Paper/Board · TPG-101
Paper dust and lint (linting)
White build-up on blankets and plate; constant small hickeys; frequent washes
Paper/Board · TPG-103
Caliper variation in board
Inconsistent creasing and die-cutting within one run; variable impression pressure
Paper/Board · TPG-104
Different whiteness or shade between batches
Same job looks different; client complains about color though the ink is identical
Paper/Board · TPG-105
Blistering in heatset or strong drying
Bubbles in high-coverage areas after the oven
Paper/Board · TPG-106
Out-of-square or badly cut paper
Registration impossible to stabilize; guides won't seat
Paper/Board · TPG-107
Low surface strength (supplier claim)
Recurrent picking only with one paper, ink and press ruled out