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・ Preacher Man
・ Preacher Moss
・ Preacher Pilot
・ Preacher Roe
・ Preacher's Boy
・ Preacher's kid
・ Preacher's Kid (film)
・ Preacher's Sons
・ Pre-existing Condition Insurance Plan
・ Pre-existing duty rule
・ Pre-exponential factor
・ Pre-exposure prophylaxis
・ Pre-ferment
・ Pre-flashing
・ Pre-flight
Pre-flight (printing)
・ Pre-flight safety demonstration
・ Pre-game show
・ Pre-Germanic
・ Pre-Ghaznavid history of Punjab
・ Pre-Greek substrate
・ Pre-green
・ Pre-health sciences
・ Pre-Hilalian Arabic dialects
・ Pre-hospital emergency medicine
・ Pre-hospital trauma assessment
・ Pre-hospital ultrasound
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・ Pre-Illinoian
・ Pre-Images and Words Shows


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Pre-flight (printing) : ウィキペディア英語版
Pre-flight (printing)

In printing, pre-flight describes 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 term originates from the preflight checklists used by pilots. The term was first used in a presentation at the Color Connections conference in 1990 by consultant Chuck Weger.
==Background==
In a common digital prepress workflow, a collection of computer files provided by clients will be translated from an application-specific format such as Adobe InDesign or QuarkXPress to a format that the raster image processor (RIP) can interpret. But before this rasterization occurs, workers in the prepress department confirm the incoming materials to make sure they are ready to be sent to the RIP. This is an important step because it prevents production delays caused by missing materials or improperly prepared materials. Once the incoming materials have passed the pre-flight check, they are ready to be put into production and sent to the RIP.
Files were originally printed as Adobe PostScript; however in modern workflows, PDF files have become the popular file type for submitting data to a RIP. The RIP generates the final raster image that will be printed directly (as in desktop inkjet or laser printing), set to photographic film or paper (using an imagesetter), or transferred direct-to-plate.
Depending on the hardware and software components and configurations, RIPs can experience problems rasterizing the image data contained in PostScript or PDF files. If there is a failure in rasterizing the image, it can be costly, as output systems (printers, plate-setters, etc.) consume expensive supplies, can require extensive amounts of time to process complex image data, and require skilled labor to operate.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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