8+ Premium 7 Color Chroma Ink Printing Sheets


8+ Premium 7 Color Chroma Ink Printing Sheets

A specialised substrate designed for high-fidelity picture copy makes use of expanded colour gamuts achievable by inks past the usual CMYK. These substrates are usually used for skilled photographic prints, artwork reproductions, and proofing purposes the place correct colour illustration is paramount. An instance utility can be making a print showcasing the vivid plumage of a tropical hen, capturing nuances inconceivable with standard four-color processes.

The improved colour vary permits for larger vibrancy, smoother gradients, and a extra real looking illustration of the unique topic. This expertise is essential in fields requiring colour accuracy, offering a major benefit over much less refined printing strategies. The event of those superior printing strategies arose from the constraints of ordinary four-color printing in reproducing particular colours and tones, notably inside vibrant or extremely saturated photographs. This innovation has pushed developments in colour science and print expertise, resulting in increased high quality output for skilled purposes.

Additional exploration will delve into particular ink formulations, substrate traits, printer compatibility, and the colour administration techniques mandatory for optimum outcomes. It will present a deeper understanding of the expertise and its sensible implications throughout varied industries.

1. Wider colour gamut

A wider colour gamut is key to the improved capabilities of specialised printing substrates designed for seven-color printing. This expanded vary of reproducible colours distinguishes these substrates from standard four-color printing (CMYK) and permits for extra correct and vibrant representations of supply photographs.

  • Spectral Reflectance

    Spectral reflectance, the best way an object displays gentle at totally different wavelengths, performs a vital function in perceived colour. Wider gamuts embody a bigger portion of the seen spectrum, permitting copy of colours unattainable with CMYK, akin to vibrant blues, greens, and reds. This interprets to a extra trustworthy copy of unique paintings or images.

  • Coloration Accuracy in Replica

    Correct colour copy is essential in skilled purposes like pictures, effective artwork printing, and proofing. A wider colour gamut minimizes colour discrepancies between the unique and the printed output, making certain that delicate nuances and transitions are preserved. This degree of precision is usually important for shopper approval and sustaining colour integrity all through the workflow.

  • Ink Formulation and Interplay

    Reaching a wider gamut requires specialised ink formulations past cyan, magenta, yellow, and black. These further inks, usually orange, inexperienced, and violet, broaden the vary of achievable colours. The exact interplay and layering of those inks on the substrate are essential for correct colour mixing and copy.

  • Perceptual Impression and Visible Enchantment

    The expanded colour palette provided by a wider gamut enhances the visible impression of printed supplies. Better vibrancy, smoother gradients, and extra lifelike illustration contribute to a better perceived high quality and create a extra participating viewing expertise. That is notably essential for advertising supplies and high-end merchandise the place visible enchantment performs a major function.

In abstract, the broader colour gamut facilitated by specialised seven-color printing substrates represents a major development in colour copy expertise. From capturing delicate spectral nuances to enhancing the general visible enchantment, this expanded colour vary delivers superior outcomes for skilled purposes the place colour constancy is paramount.

2. Enhanced Coloration Vibrancy

Enhanced colour vibrancy is a defining attribute of prints produced utilizing specialised substrates and expanded colour gamuts. This vibrancy instantly outcomes from the broader vary of colours achievable with inks past the usual CMYK set. Understanding the elements contributing to this enhanced vibrancy is essential for appreciating the benefits of this superior printing course of.

  • Gentle Absorption and Reflection

    Coloration vibrancy is perceived based mostly on how gentle interacts with a printed floor. Pigments within the specialised inks soak up particular wavelengths of sunshine whereas reflecting others. The expanded ink set permits for extra exact management over these interactions, leading to extra saturated and vibrant colours. As an illustration, a seven-color course of can reproduce the extreme hues of a sundown or the deep blues of a tropical ocean with larger accuracy than CMYK.

  • Ink Formulation and Purity

    The chemical composition of the inks performs a major function in colour vibrancy. Excessive-quality inks formulated for these specialised printing processes make the most of purer pigments, resulting in extra intense colour saturation. This purity minimizes undesirable gentle absorption, making certain that the mirrored gentle corresponds extra intently to the specified colour, leading to a extra vibrant print.

  • Substrate Interplay and Optimization

    The substrate, or printing floor, is engineered to work together optimally with the specialised inks. Its floor properties, together with smoothness and absorbency, affect how the inks lay down and dry, impacting the ultimate colour vibrancy. Specialised coatings can additional improve colour copy by minimizing ink bleed and maximizing colour density.

  • Perceptual Variations and Visible Impression

    The human eye is extra delicate to sure colour variations. The expanded gamut exploits this sensitivity by together with inks focusing on these areas, akin to orange, inexperienced, and violet. This ends in a noticeable enhance in perceived vibrancy, notably in areas with excessive colour saturation, like brightly coloured flowers or intensely hued materials. The general visible impression is extra putting and lifelike.

The improved colour vibrancy achievable with these specialised printing processes is a major benefit for purposes requiring high-fidelity colour copy. By rigorously controlling ink formulation, substrate properties, and lightweight interplay, this expertise delivers prints with distinctive visible impression and accuracy, surpassing the constraints of standard four-color printing.

3. Specialised Ink Formulations

Specialised ink formulations are integral to the improved colour copy capabilities of substrates designed for seven-color printing. These formulations prolong past the traditional cyan, magenta, yellow, and black (CMYK) inks by incorporating further colours, usually orange, inexperienced, and violet (or variations thereof). This expanded gamut permits for extra correct copy of a wider vary of colours, notably inside vibrant and saturated hues. The chemical properties and interplay of those inks are essential for attaining the specified colour output on the specialised substrate. As an illustration, the viscosity, floor rigidity, and pigment focus are rigorously calibrated to make sure optimum ink circulation, droplet formation, and adhesion to the substrate. Exact colour mixing throughout the printing course of depends closely on the particular traits of those specialised inks.

The impression of specialised ink formulations is quickly obvious when evaluating a seven-color print to a typical CMYK print. A panorama {photograph} containing a vibrant sundown, for instance, would exhibit richer oranges, reds, and yellows within the seven-color model because of the inclusion of orange ink and the optimized interplay of different inks inside the expanded gamut. Equally, reproducing paintings containing deep blues and greens advantages considerably from the inclusion of inexperienced and violet inks, leading to extra correct colour illustration in comparison with the constraints of CMYK. These developments in ink formulation have sensible significance throughout varied fields, together with skilled pictures, effective artwork copy, and high-end product packaging, the place colour accuracy and vibrancy are paramount. The power to breed particular Pantone colours or company model colours with larger constancy is a major benefit afforded by these specialised ink units.

In abstract, specialised ink formulations are important for maximizing the potential of seven-color printing substrates. Their tailor-made chemical properties, mixed with an expanded colour gamut, allow a major enchancment in colour accuracy and vibrancy. This interprets to increased high quality output for demanding purposes the place trustworthy colour copy is essential. Continued growth in ink expertise guarantees additional developments in colour copy capabilities, pushing the boundaries of what’s achievable in print media.

4. Exact colour copy

Exact colour copy is a defining attribute and first goal of using specialised substrates designed for seven-color printing. The expanded colour gamut provided by inks past the usual CMYK course of instantly allows a better diploma of colour accuracy. This precision stems from the flexibility to breed a broader vary of colours, capturing delicate nuances and transitions usually misplaced in standard four-color printing. The connection between the expanded gamut and exact colour copy is key to understanding the benefits of this expertise. As an illustration, take into account reproducing the colourful plumage of a Scarlet Macaw. Customary CMYK printing usually struggles to seize the nuanced reds, yellows, and blues, leading to a much less vibrant and correct illustration. Nevertheless, using a seven-color course of with inks akin to orange, inexperienced, and violet permits for a extra trustworthy copy, capturing the delicate variations inside the hen’s feathers and attaining a consequence nearer to the true colours.

This degree of precision has important sensible purposes. In skilled pictures, correct colour is essential for conveying the photographer’s creative intent and making certain the ultimate print matches the captured picture. Equally, in fields like effective artwork copy, the flexibility to copy the unique paintings’s colours precisely is paramount for preserving the artist’s imaginative and prescient and the piece’s worth. Take into account reproducing a portray containing a selected shade of turquoise. Seven-color printing can obtain a a lot nearer match to this particular colour in comparison with CMYK, which could solely approximate the hue. This accuracy is important for sustaining the integrity of the paintings and satisfying discerning purchasers. Moreover, industries counting on exact colour communication, akin to product packaging and model administration, profit considerably from the improved accuracy provided by seven-color printing. Reproducing particular company model colours or Pantone shades precisely is essential for sustaining model consistency throughout varied advertising supplies.

Exact colour copy, achieved by specialised inks and substrates designed for seven-color printing, represents a major development in printing expertise. This functionality has profound implications for varied industries demanding high-fidelity colour illustration. Challenges stay, akin to making certain constant colour administration throughout totally different printing gadgets and substrates. Nevertheless, the continuing growth of ink formulations, substrate applied sciences, and colour administration techniques continues to refine this course of, pushing the boundaries of colour accuracy in print media.

5. Skilled purposes

Specialised printing processes using expanded colour gamuts discover essential purposes in skilled fields demanding exact colour accuracy and excessive visible constancy. These purposes leverage the improved colour vary and vibrancy achievable with these superior printing strategies to provide superior outcomes in comparison with normal four-color printing strategies.

  • Excessive-Finish Pictures Prints

    Skilled photographers make the most of these specialised substrates and inks to provide exhibition-quality prints that precisely seize the nuances of their work. Reproducing the delicate gradations of a sundown or the colourful hues of a tropical panorama requires a wider colour gamut than normal CMYK can supply. These prints usually command premium costs and function portfolio centerpieces, showcasing the photographer’s talent and creative imaginative and prescient.

  • Nice Artwork Replica

    Reproducing paintings precisely requires exact colour matching and a large tonal vary. Seven-color printing processes excel on this space, permitting for trustworthy recreations of unique work, watercolors, and different creative mediums. Museums, galleries, and personal collectors make the most of this expertise to create high-quality reproductions for archival functions, academic supplies, or industrial sale. The power to precisely replicate the artist’s meant colours is paramount on this utility.

  • Pre-Press Proofing

    Within the pre-press stage of printing, correct proofs are important for verifying colour accuracy earlier than mass manufacturing. Specialised substrates printed with expanded ink units present a extremely correct illustration of the ultimate printed product. This permits designers and printers to establish and proper any colour discrepancies early within the course of, minimizing expensive errors and making certain the ultimate product meets the shopper’s expectations.

  • Excessive-Finish Packaging and Advertising and marketing Supplies

    Luxurious manufacturers and merchandise usually make the most of specialised printing strategies to create visually putting packaging and advertising supplies. The improved colour vibrancy and accuracy afforded by expanded gamuts contribute to a premium aesthetic, reinforcing model id and attracting discerning shoppers. Reproducing particular Pantone colours or company model colours exactly is essential on this context.

These various skilled purposes spotlight the benefits of using specialised printing processes with expanded colour gamuts. The power to realize exact colour copy, enhanced vibrancy, and a wider tonal vary interprets instantly into increased high quality output for demanding industries the place colour accuracy is paramount. As expertise continues to advance, these purposes will probably broaden additional, driving innovation in print media and pushing the boundaries of colour copy capabilities.

6. Excessive-quality substrates

Excessive-quality substrates are important for maximizing the potential of expanded gamut printing utilizing seven-color processes. The substrate, the fabric upon which the ink is deposited, performs a vital function in colour copy accuracy, vibrancy, and general print longevity. Particular substrate traits instantly affect ink absorption, drying time, and colour consistency. An unsuitable substrate can result in points akin to ink bleed, mottle, or a boring look, compromising the advantages of the expanded colour gamut. Take into account, as an illustration, printing a vibrant panorama {photograph} on a low-quality, absorbent paper. The ink would possibly bleed into the paper fibers, leading to a lack of element and muted colours. Conversely, a high-quality, coated paper designed for photographic printing would preserve the ink’s integrity, leading to sharper particulars and extra vibrant colours.

The interaction between ink and substrate is essential. Excessive-quality substrates designed for seven-color printing usually characteristic specialised coatings optimized for the particular ink set used. These coatings management ink absorption and drying, selling uniform ink distribution and minimizing dot acquire. This ends in sharper photographs, smoother gradients, and extra correct colour copy. Moreover, archival high quality substrates supply enhanced longevity, defending prints from fading and degradation over time. Within the context of effective artwork copy, that is essential for preserving the paintings’s worth and making certain its longevity. For instance, a museum reproducing a invaluable portray would go for an archival high quality substrate to make sure the copy stays vibrant and correct for generations to come back.

In abstract, high-quality substrates are integral to realizing the complete potential of seven-color expanded gamut printing. The substrate’s traits considerably impression ink conduct, colour accuracy, and print longevity. Choosing an applicable substrate optimized for the particular ink set and meant utility is essential for attaining professional-grade outcomes. Whereas value issues would possibly tempt some to make the most of lower-quality substrates, the compromises in colour accuracy and print longevity usually outweigh any perceived value financial savings, notably in skilled purposes the place picture high quality is paramount. Additional analysis and growth in substrate expertise proceed to refine these supplies, pushing the boundaries of print high quality and longevity.

7. Superior printing expertise

Superior printing expertise is intrinsically linked to the efficient utilization of specialised substrates designed for seven-color chroma ink printing. These substrates, able to showcasing expanded colour gamuts, necessitate printing applied sciences able to exactly dealing with and depositing a number of ink formulations. The connection is considered one of interdependence: the substrate supplies the canvas, whereas the superior printing expertise acts because the meticulously managed brush. Take into account the exact droplet dimension and placement required for seven inks in comparison with the usual 4. Superior print heads, usually piezoelectric, are essential for attaining this degree of management, making certain uniform ink distribution and minimizing dot acquire. This precision is key to realizing the complete potential of the expanded gamut, translating into smoother gradients, finer particulars, and extra correct colour copy. With out these developments in print head expertise, the advantages of the specialised substrate can be considerably diminished. Moreover, refined colour administration techniques are important. These techniques guarantee correct colour illustration all through the workflow, from picture seize to remaining print. They account for variations in ink, substrate, and printing circumstances, making certain constant and predictable outcomes.

An actual-world instance could be discovered within the manufacturing of high-end artwork reproductions. Reproducing a portray with a variety of colours, together with delicate transitions and vibrant hues, requires superior printing expertise able to dealing with the complexities of a seven-color course of. Older printing applied sciences, restricted to four-color CMYK, merely can not obtain the identical degree of constancy. The sensible significance of this understanding lies within the skill to pick out applicable printing applied sciences for particular purposes. Selecting a printer incapable of dealing with the calls for of seven-color printing on a specialised substrate would lead to suboptimal output, negating the advantages of the expanded gamut. This understanding informs buying selections, workflow optimization, and finally, the standard of the ultimate product. Moreover, the continuing growth of superior printing applied sciences continues to broaden the probabilities of seven-color printing. Improvements in print head design, ink supply techniques, and colour administration software program promise even larger colour accuracy, sooner printing speeds, and enhanced substrate compatibility.

In abstract, the connection between superior printing expertise and seven-color chroma ink printing sheets is symbiotic. The substrate supplies the potential for enhanced colour copy, whereas superior printing expertise unlocks that potential. Understanding this connection is essential for knowledgeable decision-making in skilled printing environments. As expertise continues to evolve, additional developments in printing expertise will undoubtedly drive additional refinements in colour copy capabilities, increasing the purposes and artistic prospects of seven-color printing on specialised substrates. Challenges stay, together with the price and complexity of those superior techniques. Nevertheless, the pursuit of ever-greater colour accuracy and print high quality continues to gasoline innovation on this discipline.

8. Detailed picture rendering

Detailed picture rendering is intrinsically linked to the capabilities of specialised substrates designed for seven-color chroma ink printing. The expanded colour gamut and specialised ink formulations inherent in these techniques facilitate a degree of element unattainable with standard four-color printing. This exploration delves into the particular aspects contributing to enhanced picture rendering, highlighting the interaction between substrate, ink, and printing expertise.

  • Tonal Gradations and Clean Transitions

    Refined tonal gradations and clean transitions are essential for rendering intricate particulars, particularly in photographic photographs. The expanded colour palette provided by seven-color printing permits for finer management over colour mixing and transitions. Take into account the sleek transition from the deep shadows to the intense highlights in a portrait. Seven-color printing excels in reproducing these delicate shifts, leading to a extra lifelike and detailed illustration. This nuanced rendering is usually misplaced in four-color printing, the place banding or posterization can happen in areas with gradual colour modifications.

  • Sharpness and Nice Element Decision

    Sharpness and effective element decision are important for capturing intricate textures and effective traces. Specialised substrates, usually that includes optimized coatings, work together with the exactly formulated inks to attenuate ink bleed and maximize edge sharpness. This permits for the correct copy of effective particulars, akin to the fragile veins in a flower petal or the intricate patterns on a butterfly’s wing. These particulars would possibly seem blurred or vague when printed with standard CMYK processes on much less specialised substrates.

  • Coloration Accuracy and Vibrancy’s Contribution to Element

    Correct colour copy and enhanced vibrancy are basic to detailed picture rendering. The expanded colour gamut provided by seven-color printing permits for the exact copy of a wider vary of hues, saturations, and brightness ranges. This accuracy is essential for capturing the delicate colour variations that contribute to the general element of a picture. Take into account a panorama {photograph} containing a wide range of greens within the foliage. Seven-color printing can differentiate and reproduce these delicate variations, including depth and realism to the picture. CMYK printing would possibly simplify these colour variations, leading to a much less detailed and fewer lifelike illustration.

  • Substrate Affect on Ink Habits and Element

    The substrate performs a essential function in detailed picture rendering. Its floor properties, together with smoothness, absorbency, and coating, instantly affect ink conduct and element copy. Excessive-quality substrates designed for seven-color printing are engineered to attenuate ink bleed and maximize ink density, leading to sharper edges, finer particulars, and extra vibrant colours. This interplay between ink and substrate is key to attaining the complete potential of detailed picture rendering, notably in purposes requiring excessive constancy, akin to effective artwork copy or skilled pictures prints.

These interconnected aspects show the synergistic relationship between detailed picture rendering and seven-color chroma ink printing. The expanded colour gamut, exact ink formulations, superior printing applied sciences, and high-quality substrates work in live performance to realize a degree of element unattainable with standard printing strategies. This functionality has important implications for skilled purposes the place correct and detailed picture copy is paramount, from showcasing the nuances of a photographic masterpiece to faithfully reproducing the intricate particulars of a priceless paintings.

Ceaselessly Requested Questions

This part addresses widespread inquiries relating to substrates designed for seven-color printing processes, providing concise and informative responses.

Query 1: What’s the major benefit of utilizing a specialised substrate for seven-color printing?

Enhanced colour accuracy and a wider colour gamut are the principal benefits. These substrates are particularly designed to work together optimally with expanded ink units, leading to extra vibrant and correct colour copy in comparison with normal four-color printing.

Query 2: Are these substrates appropriate with all printer varieties?

Compatibility varies relying on the particular substrate and printer. Printers designed for expanded gamut printing, usually using superior piezoelectric print heads, are typically required to realize optimum outcomes. Consulting printer specs and substrate producer suggestions is important.

Query 3: How do these substrates contribute to improved picture high quality?

Specialised coatings and floor properties of those substrates optimize ink absorption and drying, leading to sharper picture element, smoother colour transitions, and diminished ink bleed. This contributes considerably to improved general picture high quality.

Query 4: Are these substrates dearer than normal printing paper?

Usually, sure. The specialised coatings, tighter manufacturing tolerances, and optimized properties for expanded gamut printing contribute to a better value per sheet in comparison with normal printing papers.

Query 5: What are the standard purposes for prints produced on these substrates?

Widespread purposes embrace high-end pictures prints, effective artwork reproductions, pre-press proofing, and advertising supplies requiring exact colour accuracy and vibrancy. These purposes leverage the expanded colour gamut and enhanced picture high quality.

Query 6: How does colour administration impression the ultimate print high quality on these substrates?

Correct colour administration is essential. Correctly calibrated colour profiles, particular to the substrate and ink set, guarantee colour consistency all through the workflow, from picture seize to the ultimate printed output. Inconsistent colour administration can negate the advantages of the expanded gamut.

Understanding these key points of specialised printing substrates is essential for knowledgeable decision-making in skilled printing environments. Cautious consideration of substrate properties, printer compatibility, and colour administration procedures ensures optimum outcomes when using seven-color printing processes.

Additional exploration of particular substrate producers, printer applied sciences, and colour administration workflows is beneficial for these looking for a deeper understanding of this specialised printing course of.

Ideas for Optimizing Seven-Coloration Printing

Maximizing the advantages of expanded gamut printing requires cautious consideration to a number of key elements. The next suggestions present sensible steering for attaining optimum outcomes with specialised substrates and seven-color ink units.

Tip 1: Substrate Choice: Selecting the right substrate is paramount. Substrate properties, together with weight, coating, and brightness, considerably impression ink absorption and colour copy. Seek the advice of substrate producer suggestions for optimum compatibility with particular ink units and printing applied sciences. As an illustration, a matte end substrate is perhaps appropriate for effective artwork copy, whereas a shiny end is perhaps most well-liked for vibrant photographic prints.

Tip 2: Printer Compatibility: Confirm printer compatibility with the chosen substrate and ink set. Superior printing applied sciences, usually using piezoelectric print heads, are typically required for exact ink droplet placement and management, important for realizing the complete potential of expanded gamut printing. Utilizing an incompatible printer might lead to suboptimal colour accuracy and picture high quality.

Tip 3: Coloration Administration: Correct colour administration is essential. Using correctly calibrated colour profiles, tailor-made to the particular substrate and ink set, ensures colour consistency all through the workflow. Common calibration and profiling are important for sustaining correct colour illustration from picture seize to the ultimate printed output. Neglecting colour administration can result in important colour discrepancies and diminished print high quality.

Tip 4: Ink Choice: Choose high-quality inks particularly formulated for expanded gamut printing. These inks usually incorporate further colours past CMYK, akin to orange, inexperienced, and violet, to broaden the achievable colour vary. Utilizing inferior inks can compromise colour vibrancy, accuracy, and print longevity.

Tip 5: Viewing Surroundings: Take into account the meant viewing setting for the ultimate print. Ambient lighting circumstances can considerably affect colour notion. Delicate proofing underneath managed lighting circumstances can assist in predicting the ultimate print’s look and making mandatory changes throughout the enhancing course of.

Tip 6: Check Prints and Changes: Earlier than committing to a full manufacturing run, conduct take a look at prints on the chosen substrate with the chosen ink set. Consider these take a look at prints underneath managed lighting circumstances and make any mandatory changes to paint, distinction, or sharpness to realize the specified consequence. Check prints decrease expensive errors and make sure the remaining output meets high quality requirements.

Tip 7: Correct Storage and Dealing with: Correct storage and dealing with of each substrates and inks are essential for sustaining their high quality and longevity. Retailer substrates in a cool, dry setting, away from direct daylight and humidity. Retailer inks in accordance with producer suggestions to stop untimely drying or degradation. Cautious dealing with minimizes the chance of floor injury or contamination, which might negatively impression print high quality.

Adherence to those tips ensures optimum utilization of specialised substrates and seven-color ink units, maximizing colour accuracy, picture element, and print longevity in skilled purposes.

By understanding these key elements and implementing finest practices, one can obtain distinctive outcomes, pushing the boundaries of colour copy in print media. The next conclusion synthesizes these ideas and provides remaining suggestions for maximizing the potential of seven-color printing applied sciences.

Conclusion

Exploration of superior printing processes using expanded colour gamuts reveals important benefits over standard four-color strategies. Specialised substrates designed for seven-color ink units supply enhanced colour accuracy, vibrancy, and element rendering. Cautious consideration of substrate properties, ink formulation, printer compatibility, and colour administration is essential for realizing the complete potential of those superior printing applied sciences. Excessive-quality substrates, usually that includes specialised coatings, optimize ink interplay and contribute to sharper picture element and smoother colour transitions. Exact ink formulations, incorporating further colours past CMYK, broaden the achievable colour vary and improve colour vibrancy. Superior printing applied sciences, akin to piezoelectric print heads, guarantee exact ink droplet placement and management, maximizing colour accuracy and picture decision. Correct colour administration, by calibrated colour profiles and constant workflows, maintains colour constancy all through the printing course of. These interconnected components work in live performance to realize superior print high quality, pushing the boundaries of colour copy.

Additional developments in ink formulations, substrate applied sciences, and printing processes promise continued refinement of expanded gamut printing capabilities. As these applied sciences mature, wider adoption throughout varied industries is anticipated, driving innovation and increasing inventive prospects in print media. Understanding the interaction of those parts is essential for knowledgeable decision-making, enabling professionals to leverage the complete potential of seven-color printing and obtain distinctive outcomes. Continued exploration and experimentation are inspired to completely notice the transformative impression of those developments on the way forward for colour copy in print.