GC 2070 Exam 2 Questions and Answers (Solved Papers) Describe gray balance - Correct Answers ✅CMY inks should make a dark gray when mixed 2gether but they do not, they make an ugly brown.So, to fix this and make sure you get a good gray and detail color you must test and find what mixtures of color make gray. Levels and Curves will do this test and fix this problem.Describe tone reproduction - Correct Answers ✅Your image will lose tones from light to dark during the changing process- highlights may go away, shadows may gain depending on the process. It is important to have and to keep your tones in the final piece, levels and curves will help with this.Describe color correction - Correct Answers ✅Even if you do get in Gray Balance, some colors in RGB mode will not look the same when changed to CMYK. You should always correct this for monitor calibration to show what can actually be printed. Hue and Saturation and "replace color" fix this.Describe image enhancement - Correct Answers ✅Use "unsharp masking" tool to help bring back detail that was lost in the transfer. The creation of pixels and halftone dots throw away some of the light/dark details and this tool will accentuate the edges of areas where there is a tonal change.
NEVER USE THE SHARPEN FEATURE BECAUSE YOU CANNOT
FIX A BLURRY IMAGE!! 1 / 3
GC 2070 Exam 2 Questions and Answers (Solved Papers) Describe the features of the Xerographic printing method - Correct Answers ✅(iGen Docucolor machine) -also called "small format" -quick and easy printing -uses "dry writing" -toner ink based -the HP Indigo is an example, uses liquid ink and has an offset blanket, charges a PIP "plate" to make the image (its like lithography, certain areas are charged and others repel) What is an offset blanket? - Correct Answers ✅collects all colors at once What is a PIP "plate" - Correct Answers ✅used by the HP indigo for an electrostatic charge and is discharged after use for the next image to be printed Describe the features of the Vinyl printing method - Correct Answers ✅-aka "large format" -medium speed -inkjet -uses heat, pressure, and a color ribbon to image -outdoor durable! 2 / 3
GC 2070 Exam 2 Questions and Answers (Solved Papers) Describe the features of Inkjet printing - Correct Answers ✅-aka wide format or large format, grand/jumbo format -dye based for indoor use -UV based ink in some cases -Pigmented based for outdoor use, can be laminated Types of inkjet inks - Correct Answers ✅dye, pigment, UV, HP latex, solvent, edible Describe dye based ink - Correct Answers ✅aqueous and not likely to last long bc it can fade and be washed off Describe pigment based ink - Correct Answers ✅dried by evaporation of the water and light VOCs -excellent longevity Describe UV ink - Correct Answers ✅dried by UV light/oxidation/polymerization -excellent longevity Describe HP latex ink - Correct Answers ✅water based, heat cured Describe edible inks - Correct Answers ✅aqueous ink type, dried by evaporation and absorption etc
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