Gripper marks on board or delicate stock
Medium severitySymptoms
Shiny or dented pad prints on the finished piece's edge
Probable causes
- High pressure on sensitive stock (metallized, soft touch, cast-coated)
- aggressive pads
The Print Guy · 2026-10-05
Other problems in this category
Grippers/Sheet travel · TPG-208
Gripper-edge damage to the sheet
Torn, dented or marked lead edge; problems cutting and finishing later
Grippers/Sheet travel · TPG-211
Fan-out at the sheet tail
Perfect registration at the grippers but open toward the tail, especially on large formats
Grippers/Sheet travel · TPG-204
Gripper pressure calibration (procedure)
Unstable registration with no apparent cause; sheets moving in transfer
Grippers/Sheet travel · TPG-205
Uneven gripper pressure across the bar
Sheet enters straight but leaves rotated; registration fanning to one side
Grippers/Sheet travel · TPG-206
Sheet released at high speed
Sudden waste, sheet crashed inside the press, possible blanket damage
Grippers/Sheet travel · TPG-207
Gripper-to-gripper transfer out of time
Fine doubling, variable circumferential registration, marks at the gripper edge