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- Title
THE 4-BEAM LASER DIODE ARRAY INFLUENCE ON THE COLOUR IMAGING.
- Authors
Majnaric, I.; Modric, D.; Golubovic, K.; Bolanca, S.
- Abstract
In this paper we investigate commercial 4-beam laser diode array with 830 nm laser. Experiment was performed on HP Indigo series 1000 machine. Controlled variation of the output laser power from 1 μW/mA to 12 μW/mA generates different sizes of screen elements on photoconductor. The results have been processed colorimetrically and with defining of colour difference CIE LAB ΔE. Measurements demonstrate that gamut space ΔV doesn't change with variation of output laser power. Change of CMYK colors (solid tone) is negligible and 50% screen tone value experience up to ten times larger change of hue. Deviation of geometrical parameters of printed elements rises with enhancement of output laser power which generates overlap of raster elements for screen tone values beyond 50%.
- Subjects
LASER beams; HEWLETT-Packard computer peripherals; HP DeskJet printers; COMPUTER printers; LASER printers; DIGITAL printing presses; PHOTOCONDUCTIVITY; COLORIMETRY; COLORIMETRIC analysis
- Publication
DAAAM International Scientific Book, 2009, p81
- ISSN
1726-9687
- Publication type
Article
- DOI
10.2507/daaam.scibook.2009.10