Imaging Capability
Scan density across the cross section of a substrate determines vertical resolution. High values define the ability of a laser or print head to distinguish between layers or surface features on paper and board. Accuracy in this measurement governs the depth perception of embossed textures or the sharpness of micro-printing applied to secondary packaging.
Scanning Mechanism
Sensors operate by measuring the displacement of reflected light from a surface point. As the equipment moves relative to the sheet, it samples data at set intervals along the axis perpendicular to the transport direction. Software calculates the height profile from these samples to render a three-dimensional model of the texture.
Tight tolerances on the motor drives ensure that the data captured remains consistent throughout the scanning pass.
Production Outcome
Deviations in scan density lead to blurred gradients during the digital conversion of physical surface topographies. A printer demands higher values when reproducing fine paper grain or authentic foil stamping, because low density creates aliasing artifacts that obscure physical detail. Correcting for these variances prevents the loss of tactile fidelity in high-end luxury cartons.
Precision at this stage remains the primary factor for ensuring that the visual depth of a printed stock aligns with its measured physical properties.
