![]() Sometimes coloured black or sometimes plain beige. They were large, impressive-looking, expensive boxes of electronics. Image processing was added to produce 'half-tone dots', and then colour processing. The first RIPs (1980s or earlier) merely converted ASCII text via 'fonts' into individual lines ('rasters') of information needed to drive printers line-by-line. A 'raster' is a single line of pixels, either sent from a scanner, or sent to an inkjet or laser printer. If you are printing directly (as opposed to 'dye-sub') onto unusual 'media' (vinyl, textile, etc.) you usually need one, as the printer driver won't 'know' what to do with such media, such as how much ink is needed, or what 'grey-balance' to use, or drying times, media thickness, etc.Ī RIP is a 'Raster Image Processor'. However, if you are in prepress and are creating proofs from, or are just trying to print from CMYK images, you definitely need one. If you're a photographer the simple answer is usually 'No!'. They are also usually needed when printing by inkjet directly (as opposed to sublimation) on to 'unusual' media, such as textiles or for vinyl, which is used for printing signage ('banners'). We'll take a brief look at RIPs, which are occasionally used by photographers, but are always needed when printing CMYK images, such as 'contract' proofing to simulate a traditional (i.e. ![]() This article is intended to give some basic information on 'high-end' RIPs, mainly when they are used for quality photographic or fine art printing or 'hard-copy' proofing, in a colour-managed environment. ![]() Colour Management - How It Works RIPs driving Inkjet Printers
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