Plate Imaging with Computer-To-Plate
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Expert Guide No. 1 Plate Imaging with Computer-to-Plate Contents 1 Printing: 3.6 Color Management 7 6 Heidelberg CtP Solutions 14 6.2 Heidelberg Platesetters 18 More popular than ever 2 3.7 Digital Proofing 7 6.1 Heidelberg 6.2.1 Complete Solution Packages 3.8 Digital Impositioning 8 Workflow Solutions 14 for every Market Segment 18 2 Computer-to-Plate offers Key 3.9 Archiving 9 6.1.1 Prinect Printready 6.2.2 CtP with Competitive Advantages 3 3.10 Output Workflow 9 System 14 Polyester Printing Plates 18 2.1 Competitive Advantage 1: 6.1.2 Prinect Signa Station – 6.2.3 CtP with Top Quality 3 4 Computer-to-Plate Impositioning and More 15 Metal Printing Plates 19 2.2 Competitive Advantage 2: Technology 10 6.1.3 Prinect Profile Toolbox 15 6.2.4 The Prosetter Family 19 Shorter Production Times 3 4.1 UV Imaging of conventional 6.1.4 Prinect MetaDimension 16 6.2.5 The Suprasetter Family 20 2.3 Competitive Advantage 3: Offset Printing Plates 10 6.1.5 Digital Proofing 16 Competitive Production 4 4.2 Imaging with visible Light 10 6.1.6 Prinect Calibration 7 Overview of 2.4 The Competitive Advantages 4.3 Thermal Imaging 11 Toolbox 17 Prepress Workflow 24 at a Glance 4 6.1.7 Prinect MetaShooter 17 5 Computer-to-Plate 6.1.8 Heidelberg Screening 8 How can I find the 3 Digital Workflow: Printing Plates 12 Technologies 17 right CtP Solution? 25 Essential for the Use of CtP 5 5.1 CtP Printing Plates for 6.1.9 Prepress Interface: 3.1 PostScript and PDF 5 Violet Laser Diodes (405 nm) 12 The CIP4 Interface 18 9 Time is Money: 3.2 Job Ticket & Job 5.2 Thermal Printing Plates for So why wait any longer? 27 Definition Format 6 Infra-Red Laser Diodes (830 nm) 12 3.3 Preflight 6 5.3 Printing Plate Development 13 10 Checklist 28 3.4 Redigitization 7 3.5 Trapping 7 2 Plate Imaging with Computer-to-Plate Printing: More popular than ever 1 Printing: More popular than ever Who could forget the vision of the tial so that similar production stages, “paperless office” that captivated the which in the past had to be worked trade press and unsettled many printers through sequentially, can now be auto- in the 1980s? A similar effect is currently mated by workflow systems. This saves being created by alternative “electronic time and minimizes sources of error. media” but this does not mean that the The digitization of data, and the inte- print media industry should regard the gration of processes into a single work- future with uncertainty. Printing is flow, makes this an ideal solution for more popular than ever. the future. Job structures have changed consid- Of course, the quality of the printed erably in recent years. Obvious trends result must also be assured. With are towards more color and shorter job increased competition, top quality is a run lengths. As a result of this, and requirement for all printshops and because of the increased pressures of cannot be the exclusive reserve of indus- shorter deadlines and maximized cost- try giants. In this brochure, Heidelberg® saving, modern presses are being details its solutions for all types of print- equipped with an increasing number of shop and offers guidance for selecting a printing units. Printing a job in a single suitable Computer-to-Plate (CtP) system. pass makes the best use of the short As an integrated workflow is so impor- amount of time available and is the most tant for achieving the best results with cost-effective production method. This CtP, this topic is also discussed at length. means: there is a much greater demand for printing plates within the same period of time. The new demands on the print pro- cess are accompanied by tremendous demands on the prepress stage. A high level of automation is becoming essen- Computer-to-Plate offers Key Competitive Advantages Plate Imaging with Computer-to-Plate 3 2 Computer-to-Plate offers Key Competitive Advantages Computer-to-Plate offers businesses in 2.1 Competitive advantage 1: reduced – not least because of the abil- is not fully manned. The unique Plate-on- the print media industry many advan- Top quality ity to precisely calibrate each individual demand feature developed by Heidelberg tages. Converting to CtP does away with The first generation screen dot on any printing unit – even with ultrafine means that plates can now be released a number of operations including, for CtP printing plate is composed of screens. Higher color densities are pos- for imaging, directly from the CP2000 example, the need to image pages or imaged pixels and is razor-sharp. This sible, with more brilliance. Center® of a Speedmaster® press. page sections onto film, manual imposi- degree of quality cannot be achieved Summary: Because significantly A clear marketing advantage can tioning, analog plate copying and with Computer-to-Film (CtF) processes improved accuracy is made possible also be gained through the faster com- offline punching for on-press registra- where, in extreme cases, dots may be with digital printing plates, a higher, pletion of the printed job. Faster deliv- tion. This opens up a range of direct copied several times. Even if the utmost more consistent and more predictable ery times can often set a printshop advantages and cost reductions, which care is applied, this can lead to unavoid- standard of quality can be achieved. apart from its competitors and provide the user can turn into tangible results able losses in detail. With CtP, no specks a key to winning further orders. When and use to give his company’s market of dust or cut edges can impair the result. 2.2 Competitive advantage 2: print products such as reports, newslet- profile a significant boost. Bad copies are ruled out and excellent Shorter production times ters or newspapers depend on speed-to- on-press register accuracy is guaranteed. With an end-to-end digital workflow, market, shorter production times allow Thermal CtP plates offer extremely production times can be reduced in pre- editorial deadlines to be pushed back as precise imaging. Silver halide plates press. Following on from the digital far as possible. with their high resolution and photo- plate imaging stage, a number of signifi- polymer plates with their extremely cant time and cost advantages can then 2.3 Competitive advantage 3: steep gradation curve satisfy even the be gained in the production process. Competitive production strictest quality requirements. The Because each printing plate is of a To calculate the savings that can be imaging quality of CtP means that fre- very high quality, manual plate correc- made with CtP, both the workflow and quency-modulated (FM) screens, that tion that was previously routine is now the prepress equipment need to be previously delivered good results only no longer required. Digital presetting taken into account. When a manual under extremely stringent conditions, data reduces press setup time and sheet assembly process is replaced with can now be used with ease. ensures that the job gets to color faster. a powerful workflow system, including The greater range of tonal values, If a printing plate should be damaged digital impositioning, considerable with enhanced detail in the light and during clamping, an identical replace- savings can be made in terms of labor shadow areas, ensures that this preci- ment can be created quickly and because and materials costs. Outputting print- sion imaging offers an immediate the job data can remain stored in the ready flats on a large format filmsetter improvement in print quality. The dot CtP recorder’s processing queue, this is can also offer savings, but end-to-end gain on the press is significantly also possible if the prepress department process automation will ultimately only 4 Plate Imaging with Computer-to-Plate Computer-to-Plate offers Key Competitive Advantages be possible with the integration of digi- Whereas in the past printing presses tal plate imaging. In other words, the could not operate if there was a wait for 2.4 The competitive advantages at a glance most competitive production is achieved last-minute manual corrections to the when the prepress, press and postpress printing plates or for new printing Advantage 1: • Ultra-sharp dot with digital plate imaging stages are combined into a fully inte- plates to be copied, this is no longer nec- Top quality • Accurate on-press registration grated production line. essary today. • No negative effects from dust, cut edges or bad copies By taking the CtP and workflow The final key factor for cost savings • FM Screening route, the costs of film and film lies in the boost to overall productivity • Increased range of tonal values, with enhanced details developing disappear and savings are achieved by greater process automa- generated by no longer having to tion. Whenever it is possible to increase rework poorly-copied plates. The higher the utilization level of a state-of-the-art quality of the plates imaged with CtP offset press, even by a small percentage, and the opportunity of digital press there will be a clear and positive effect Advantage 2: • Reduced preparation times thanks to presetting means that far less print on profit margins. Shorter 100% digital workflow waste is generated. As a result, the con- production times • No manual plate correction required sumption of ink, dampening solution • Faster press setup with digital presettings and paper is noticeably reduced. • Faster to color on-press • Trouble-free re-imaging of replacement plates • Faster delivery times for the final products Advantage 3: • Maximum cost savings in labor time and materials Competitive • Costs for film