Monday, January 23, 2012

Blog Post 3 - Chapter 1, 2 & 3

The finishing process happens after the printing, when the substrate runs through a number of operations to be "finished" and ready for shipment to the customer. Finishing may include operations such as coating, cutting, folding and binding.

RIP which stands for raster image processor is used in printing systems to produce bitmaps and the bitmap is then sent to the printer.  The bitmaps help the document generate better resolution so the outcome of the print is better overall.

An image setter is a high resolution, large format device for producing film from electronically generated page layouts.


A Pica is a standard of measurement and every pica equals 1/6 inch.  A point is a measurement unit equal to 1/72 of an inch.  Every pica equals 12 points and every 72 points equals one inch.

A Die Cut is a method of using sharp steel ruled stamps or rollers to cut various shapes in post press or in line.  Die cutting is the process of cutting paper in a shape or design by the use of a wooden die or block in which steel rules are positioned in the shape of the desired pattern.  Pressure is applied and the ruler cuts out the desired pattern.

CMYK is a color model used in color printing.  The CMYK stands for the four inks used in most of color printing such as cyan, magenta, yellow and key which is black.  Spot colors on the other hand, are specially mixed inks that come in a rainbow of colors, including some speciality inks such as metallic and flourescent. Unlike CMYK or process color which creates colors by laying down layer of cyan, magenta, yellow, and black in varying amounts on the printed page, spot colors are pre-mixed and applied individually to the printed page.

A folding dummy is used to describe the preliminary image of the copy and art elements which will be reproducted into the desired finished product.  Dummies are used to view the actually product before multiple amounts of them are printed or in this case folded.  The folded dummy allows consumers to make sure their product is exactly how they would like it before they generate the desired amount.

The registration of designs, logos and other projects is important because it protects a brand name and image.  By registering your logo or other icon for your company, you protect yourself from other people claiming to sell your product to consumers or calming their work was done by your company.  A registration mark can be faint so that only people who know its whereabouts can find it or it can be front and center and the first thing people see.

VDP, or variable data printing,  is a form of digital printing.  VDP includes on demand printing in which elements such as text, graphics, and images may be changed from one printed piece to the next without stopping or slowing down the printing process.  And example would be personalized mail that is addressed to a different person on every print.

In printing, PPI stands for pixels per inch.  By magnifying an image several hundred percent on a monitor, each square will present in a checkerboard grid in which you can see a single pixel.  PPI stands for how many pixels are in each square.  LPI stands for lines per inch.  LPI forms a grid of equidistant dots of varying size on the printing plates.  Each dot attracts ink which is then transfered onto the printing surface and becomes a halftone.  DPI isn't the usual specification for resolution output devices, such as desktop printers, film recorders, RIPs and computer monitors.  When using DPI to print a project, much more ink used to produce the correct color variation and textures.

Sources:
http://www.movadcorp.com/resources/glossary.html
http://en.wikipedia.org/wiki/CMYK
http://en.wikipedia.org/wiki/Variable_data_printing
http://digitalprintingtips.com/printing-tips/t--540/folding-digital-print-projects.asp





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