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Offset printing is a common printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket and then to the printing surface. When used in combination with the lithographic process, which is based on the repulsion of oil and water, the offset technique employs a flat (planographic) image carrier.
The printing press check is a step in the printing process. It takes place after a printing press is set up but before the print run is underway. Herzliya Airport (Israel) Runway location and Traffic Pattern chart (left) was erroneously printed as a result of "black layer" 180° misplacement.
The problem can occur with most types of printing, and is avoided by the use of slipsheets between copies (so any ink transfer occurs onto discardable paper) or anti-set-off spray powder. The term in offset printing also refers to the unwanted transfer of ink to rollers and friction points throughout the printing press. Ink that is not properly ...
Variable Data Printing starts with a static piece of artwork and has an element that changes which can be fed from a database, such as a customer's name. Conventional offset printing uses 4 printing plates for CMYK color publications making it only cost effective to print thousands of copies of each version. Digital printing is also cost ...
Digital printing has a higher cost per page than more traditional offset printing methods, but this price is usually offset by avoiding the cost of all the technical steps required to make printing plates. It also allows for on-demand printing, short turnaround time, and even a modification of the image (variable data) used for each impression. [2]
Typical systems include monitoring and cost analysis that allows the training process to correlate with versus the waste, cost and time on a ‘real’ press. [4] The simulators can either be either connected to a press control console (like the 'cockpit' in a flight simulator) or run on standard micro computer hardware with single or multiple screens.
In printing, Preflight is the process of confirming that the digital files required for the printing process are all present, valid, correctly formatted, and of the desired type. The basic idea is to prepare the files to make them feasible for the correct process such as offset printing and eliminate costly errors and facilitate a smooth ...
The process of stripping for general commercial offset printing has largely been eliminated through the use of digital prepress technology, in which imposition software is used to "digitally strip" the pages together. Some printing technologies continue to use stripped film, especially in silk-screen printing, although this is likely to change ...