Clamp marks on the print
Low severitySymptoms
Rectangular imprint visible on the top sheets of every lift
Probable causes
- Excess clamp pressure
- dirty or damaged clamp face
- sensitive stock (metallized, soft touch)
The Print Guy · 2026-10-05
Other problems in this category
Guillotine/Cutting · TPG-182
Variable measurements between cuts
The same measure yields different sizes on successive cuts
Guillotine/Cutting · TPG-183
Dragged or torn cut (dull blade)
Rough cut edge, top sheets dragged, measure pulled toward the blade
Guillotine/Cutting · TPG-184
Coated or laminated sheets welding at the cut
Pile comes out fused along the cut edge; sheets won't separate
Guillotine/Cutting · TPG-186
Off-square cutting at the guillotine itself
Cut sheets not at right angles; error accumulating over successive cuts
Guillotine/Cutting · TPG-187
Laminate or UV chipping at the cut edge
Flakes or white micro-cracks along the cut on laminated stock