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The IJC Dusseldorf, 29th October 2019Tom Mooney, Product Manager
Streaming print data directly to
printhead electronics
Agenda
▪ About Global Graphics Software
▪ Inkjet quality: problem solved!
• Mitigating chaining, mottling artifacts
• Solving the banding problem
▪ Now, what about speed?
• Customer demands for driving up the data rate
• New developments to supply print data at press speed
▪ Questions + resources
Copyright © Global Graphics Software Limited 2019
About Global Graphics Software
▪ A developer of software for inkjet printing
• Head Office and R & D in Cambridge, UK
• US office in Sarasota, FL
• Technical office in Tokyo, Japan
▪ A Global Graphics PLC company; sister to:
• Meteor Inkjet
• Develops electronics, software, tools and services for
industrial inkjet systems.
• www.meteorinkjet.com
• URW type foundry
• Designers and developers of digital fonts and font technology
• www.urwpp.de
Copyright © Global Graphics Software Limited 2019
High-performance, market leading products
Harlequin, the fastest RIP engine available, keeps your Bill Of Materials
down because you’ll need less processing power
Powerful independent screening engine SDK/desktop app gives high-
quality at high-speed for inkjet by mitigating artefacts.
PrintFlat removes banding artefacts in inkjet output by correcting the
problem of non-uniformity from inkjet printheads.
Agile up-stream tools for viewing and manipulation of PDF and for the
creation of custom pre-press workflows
The building blocks essential to creating your customized Digital Front
End (DFE)
Copyright © Global Graphics Software Limited 2019
Global Graphics Software: a selection of customers
Plus many others under NDA
Copyright © Global Graphics Software Limited 2019
Inkjet quality: problem solved.
Mottling is most common on less absorbent
substrates, often caused during drying/curing
Micro effects
Streaking is most common on more absorbent substrates,
caused by ink drops coalescing on the substrate surface
Solving the problems
▪ Vendors should make reasonable
efforts to tune inks, wave forms,
encoders etc.
▪ After that software is usually the
fastest and most effective solution
▪ Micro effects
• Advanced Inkjet Screens
▪ All for both single-pass and
scanning head printers
Macro effects
▪ Variation within a head
• Commonly a ‘smile’ shape
• Caused by pressure or voltage changes
▪ Variation between heads
• Especially as heads become field replaceable
▪ Head wear
Density
ONE HEAD
Correction in software gives maximum quality
▪ Macro effects
• PrintFlat applied during ScreenPro processing
▪ Very fine granularity
• Can address every nozzle separately
• On any head/electronics
▪ Almost instant once output is measured
• Can be automated for closed-loop correction
▪ Doesn’t affect
• Jetting stability or head lifetime
• Warranty compliance
• Ink pressure and timing/drop speed variation
• Ink coalescence on the substrate
• Halftoning
*images blurred to make the density variation more obvious
Corrected in software
Original
Blurred
Original
Blurred
Uncorrected
Copyright © Global Graphics Software Limited 2019
Before… and after
Copyright © Global Graphics Software Limited 2019
Why is ScreenPro significant?
High-quality at ultra high-speed
▪ Works on any inkjet press
▪ With any workflow
▪ With any ink or substrate
▪ With any combination of printheads and electronics
The only solution to improve inkjet output quality that is generally
available to any inkjet press manufacturer
In use by multiple inkjet press vendors in industrial inkjet markets
Copyright © Global Graphics Software Limited 2019
Recipient of a 2018 and 2019 InterTech Award
Awarded by the Printing Industries of America
Copyright © Global Graphics Software Limited 2019
▪ ScreenPro ▪ PrintFlat
Customers are demanding more from
Digital Print
Copyright © Global Graphics Software Limited 2019
RIP and Screen “Direct” to the Device
• Printing variable data jobs where every page or item is different is here now.
• Inkjet is becoming an industrial process in a production workflow.
• Variable data is no longer just barcodes or text regions, it can encompass the whole print
area.
• Key to success is 24/7 uptime and running at full speed maximising return on investment.
• Resolutions of devices, print heads and bars are rising (e.g. 600dpi to 1200 dpi,
quadrupling raster data).
• Devices are wider and faster (up to 4 metres wide and over 300 m/min).
• RIPing and screening offline to disk and then sending them to the
press is becoming a performance and storage capacity bottle neck.
• The solution is to RIP and Screen direct to the device.
RIPing “Direct” to the device
• PDFs can vary greatly in complexity if uncontrolled.
• The RIP becomes a critical component running the device and not a pre-press
process.
• It can be hard to know what hardware to choose to achieve the rated speed of
the device without increasing impractically the bill of materials cost.
• Achieving all of this on current PC hardware at the device speeds, resolutions,
widths, etc. requires integrated innovation between multiple components.
• Having flexibility to choose the right hardware (head and driver board) for the job
can be key to introducing digital inkjet technology to a new market.
Driving data “direct” to the electronics
Copyright © Global Graphics Software Limited 2019
Direct Architecture (Harlequin and ScreenPro)
Shared
Memory
Controller
RIP
Farm RIP ScreenPro
Hardware.dll
Hardware
(Driver
electronics and
print heads)
Farm RIP
Farm RIP
Farm RIP
ScreenPro
ScreenPro
Pack
Pack
Stream
Output
Scheduler
Contone
Rasters
PDF Job
Direct
Direct
Mako Streamline Direct
▪ Pre-Process designed to produce PDFs
• that are fast to RIP
• without any loss of quality.
• Deterministic (predictable RIPing speed)
• Mark objects that can be cached by Harlequin Direct
• OptimiseVariable Data Jobs
• Fix poorly constructed PDFs
• Down-sample large images
• Flatten complex transparency
• Convert to device colour-space
▪ Support other PDLs
• PCL
• Postscript
• IJPDS
Harlequin Direct
• RIPs PDFs directly to hardware at device speed
(including screening and colour management)
• Sample front end that displays metrics and allows it to
be tested prior to integration into a PDF workflow
(Direct DFE).
• PDF workflow agnostic
• Integrated into our Fundamentals PDF workflow
• Windows and Linux (Reduce bill of materials)
• Head driver electronics agnostic
• PrintFlat ready
ScreenPro Direct
• Takes contone rasters (e.g.TIFF) from a RIP and
halftone screen directly to the hardware (driver
electronics and print heads) at device speed.
• RIP and workflow agnostic
• Head driver electronics agnostic
• PrintFlat ready.
• Windows and Linux (reducing BOM).
• An ideal stepping stone to ripping directly:
• Inherently deterministic as the content of the
contone raster doesn’t vary the processing time
• Can be considered when changing the RIP would
be too disruptive to the customer or workflow
The result
“For a workflow to be viable, it has to be able to process and send full
color, fully variable work at a rate that supports the press printing, nearly
continuously, at high speed to produce hundreds of thousands of linear feet
or meters weekly.This was previously a challenge with the industry leading
production speeds of Digital Series HD at 240 fpm.”
Peter Rathje, Senior Manager of digital press solutions for Mark Andy.
Copyright © Global Graphics Software Limited 2019
Benefits of Direct Products
Highly optimised open architecture
• Solid, stable and proven technology
• Unrivalled output fidelity (PrintFlat applied at device speed)
• Designed to deliver the extreme data rates to the electronics with optimal
efficiency (over 4Gb/s).
• Development by Specialist Engineers
• Fully automated testing, unit tests and integration tests
• Fully automated performance and regression testing
• Flexible
• Select a ready made end to end package or pick and choose components
• Develop your own value added solutions
• Not tied to one supplier
Copyright © Global Graphics Software Limited 2019
Questions?
More information:
tom.mooney@globalgraphics.com
Copies of resources on stand A16
www.globalgraphics.com/ais

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Streaming print data directly to printhead electronics

  • 1. The IJC Dusseldorf, 29th October 2019Tom Mooney, Product Manager Streaming print data directly to printhead electronics
  • 2. Agenda ▪ About Global Graphics Software ▪ Inkjet quality: problem solved! • Mitigating chaining, mottling artifacts • Solving the banding problem ▪ Now, what about speed? • Customer demands for driving up the data rate • New developments to supply print data at press speed ▪ Questions + resources Copyright © Global Graphics Software Limited 2019
  • 3. About Global Graphics Software ▪ A developer of software for inkjet printing • Head Office and R & D in Cambridge, UK • US office in Sarasota, FL • Technical office in Tokyo, Japan ▪ A Global Graphics PLC company; sister to: • Meteor Inkjet • Develops electronics, software, tools and services for industrial inkjet systems. • www.meteorinkjet.com • URW type foundry • Designers and developers of digital fonts and font technology • www.urwpp.de Copyright © Global Graphics Software Limited 2019
  • 4. High-performance, market leading products Harlequin, the fastest RIP engine available, keeps your Bill Of Materials down because you’ll need less processing power Powerful independent screening engine SDK/desktop app gives high- quality at high-speed for inkjet by mitigating artefacts. PrintFlat removes banding artefacts in inkjet output by correcting the problem of non-uniformity from inkjet printheads. Agile up-stream tools for viewing and manipulation of PDF and for the creation of custom pre-press workflows The building blocks essential to creating your customized Digital Front End (DFE) Copyright © Global Graphics Software Limited 2019
  • 5. Global Graphics Software: a selection of customers Plus many others under NDA Copyright © Global Graphics Software Limited 2019
  • 7. Mottling is most common on less absorbent substrates, often caused during drying/curing Micro effects Streaking is most common on more absorbent substrates, caused by ink drops coalescing on the substrate surface
  • 8. Solving the problems ▪ Vendors should make reasonable efforts to tune inks, wave forms, encoders etc. ▪ After that software is usually the fastest and most effective solution ▪ Micro effects • Advanced Inkjet Screens ▪ All for both single-pass and scanning head printers
  • 9. Macro effects ▪ Variation within a head • Commonly a ‘smile’ shape • Caused by pressure or voltage changes ▪ Variation between heads • Especially as heads become field replaceable ▪ Head wear Density ONE HEAD
  • 10. Correction in software gives maximum quality ▪ Macro effects • PrintFlat applied during ScreenPro processing ▪ Very fine granularity • Can address every nozzle separately • On any head/electronics ▪ Almost instant once output is measured • Can be automated for closed-loop correction ▪ Doesn’t affect • Jetting stability or head lifetime • Warranty compliance • Ink pressure and timing/drop speed variation • Ink coalescence on the substrate • Halftoning *images blurred to make the density variation more obvious Corrected in software Original Blurred Original Blurred Uncorrected Copyright © Global Graphics Software Limited 2019
  • 11. Before… and after Copyright © Global Graphics Software Limited 2019
  • 12. Why is ScreenPro significant? High-quality at ultra high-speed ▪ Works on any inkjet press ▪ With any workflow ▪ With any ink or substrate ▪ With any combination of printheads and electronics The only solution to improve inkjet output quality that is generally available to any inkjet press manufacturer In use by multiple inkjet press vendors in industrial inkjet markets Copyright © Global Graphics Software Limited 2019
  • 13. Recipient of a 2018 and 2019 InterTech Award Awarded by the Printing Industries of America Copyright © Global Graphics Software Limited 2019 ▪ ScreenPro ▪ PrintFlat
  • 14. Customers are demanding more from Digital Print Copyright © Global Graphics Software Limited 2019
  • 15. RIP and Screen “Direct” to the Device • Printing variable data jobs where every page or item is different is here now. • Inkjet is becoming an industrial process in a production workflow. • Variable data is no longer just barcodes or text regions, it can encompass the whole print area. • Key to success is 24/7 uptime and running at full speed maximising return on investment. • Resolutions of devices, print heads and bars are rising (e.g. 600dpi to 1200 dpi, quadrupling raster data). • Devices are wider and faster (up to 4 metres wide and over 300 m/min). • RIPing and screening offline to disk and then sending them to the press is becoming a performance and storage capacity bottle neck. • The solution is to RIP and Screen direct to the device.
  • 16. RIPing “Direct” to the device • PDFs can vary greatly in complexity if uncontrolled. • The RIP becomes a critical component running the device and not a pre-press process. • It can be hard to know what hardware to choose to achieve the rated speed of the device without increasing impractically the bill of materials cost. • Achieving all of this on current PC hardware at the device speeds, resolutions, widths, etc. requires integrated innovation between multiple components. • Having flexibility to choose the right hardware (head and driver board) for the job can be key to introducing digital inkjet technology to a new market.
  • 17. Driving data “direct” to the electronics Copyright © Global Graphics Software Limited 2019
  • 18. Direct Architecture (Harlequin and ScreenPro) Shared Memory Controller RIP Farm RIP ScreenPro Hardware.dll Hardware (Driver electronics and print heads) Farm RIP Farm RIP Farm RIP ScreenPro ScreenPro Pack Pack Stream Output Scheduler Contone Rasters PDF Job Direct Direct
  • 19. Mako Streamline Direct ▪ Pre-Process designed to produce PDFs • that are fast to RIP • without any loss of quality. • Deterministic (predictable RIPing speed) • Mark objects that can be cached by Harlequin Direct • OptimiseVariable Data Jobs • Fix poorly constructed PDFs • Down-sample large images • Flatten complex transparency • Convert to device colour-space ▪ Support other PDLs • PCL • Postscript • IJPDS
  • 20. Harlequin Direct • RIPs PDFs directly to hardware at device speed (including screening and colour management) • Sample front end that displays metrics and allows it to be tested prior to integration into a PDF workflow (Direct DFE). • PDF workflow agnostic • Integrated into our Fundamentals PDF workflow • Windows and Linux (Reduce bill of materials) • Head driver electronics agnostic • PrintFlat ready
  • 21. ScreenPro Direct • Takes contone rasters (e.g.TIFF) from a RIP and halftone screen directly to the hardware (driver electronics and print heads) at device speed. • RIP and workflow agnostic • Head driver electronics agnostic • PrintFlat ready. • Windows and Linux (reducing BOM). • An ideal stepping stone to ripping directly: • Inherently deterministic as the content of the contone raster doesn’t vary the processing time • Can be considered when changing the RIP would be too disruptive to the customer or workflow
  • 22. The result “For a workflow to be viable, it has to be able to process and send full color, fully variable work at a rate that supports the press printing, nearly continuously, at high speed to produce hundreds of thousands of linear feet or meters weekly.This was previously a challenge with the industry leading production speeds of Digital Series HD at 240 fpm.” Peter Rathje, Senior Manager of digital press solutions for Mark Andy. Copyright © Global Graphics Software Limited 2019
  • 23. Benefits of Direct Products
  • 24. Highly optimised open architecture • Solid, stable and proven technology • Unrivalled output fidelity (PrintFlat applied at device speed) • Designed to deliver the extreme data rates to the electronics with optimal efficiency (over 4Gb/s). • Development by Specialist Engineers • Fully automated testing, unit tests and integration tests • Fully automated performance and regression testing • Flexible • Select a ready made end to end package or pick and choose components • Develop your own value added solutions • Not tied to one supplier Copyright © Global Graphics Software Limited 2019
  • 25. Questions? More information: tom.mooney@globalgraphics.com Copies of resources on stand A16 www.globalgraphics.com/ais