Page 37 - 2020 February E-issue

Rochester Chapter
Society for Imaging Science and Technology

Website: http://rochesterengineeringsociety.wildapricot.org/ISandT

Our meeting locations have changed and additional details will be of the hallway. No meeting reservations are required.
available monthly. Te February meeting is THURSDAY, February
13 at RIT, University Gallery located in James E. Booth Hall, Room Meeting Schedule:
2765 (https://www.rit.edu/fa/gallery/) at 6:00 p.m. From the North February 13, 2020 - "Digital Substitution - How Color Inkjet Web
parking lots: Heading south from the North Parking lots, enter the Printing can Match Ofset Lithography at Production Volumes"
breezeway between Booth and Gannett. Enter Booth Hall entrance
on the right. Pass Bevier Gallery, walk up two steps and straight Venue ideas requested - we are soliciting input regarding other
across the hall. University Gallery entrance is on the right at the end possible venues for our meetings.
Thursday, February 13, 2020
Digital Substitution

How Color Inkjet Web Printing Can Match Offset Lithography at Production Volumes

by Image Test Labs ITL - Image Grader Development Team
Abstract: in 1997, responsible for the image quality of digital color products. Peter
We have now reached the day where digital printing is able to substitute was also responsible for teaching the Xerox worldwide Color Analysts
for conventional commercial run length presses. This invited presentation charged with supporting all the digital color products in the field. In 2004,
discusses the methods used to make the world's first critical color together with Henry Freedman and Peter Crean, Peter Dundas was the
production press run that matches the output from an inkjet web press with first person to match a digital color Xerox DC8000 image to a Heidelberg
that from an analog offset sheetfed press on plain coated offset paper. offset image on a single page in a true production length press run. Peter
We will also describe the benefits of using an inkjet web press to produce has co-authored four US Patents.
offset-quality output. Peter Crean earned a PhD in high energy nuclear physics from Princeton
This presentation describes the methods, color measurements and University in 1970 and joined Xerox's Exploratory Development Lab to
statistical process analysis we used. It will show that the consistency and work on advanced computer peripherals. He worked with Lavallee and
stability of the inkjet digital substitute process exceeded the consistency of Starkweather to build the first Xerox laser printer prototype. He was a
the offset press. member of the team which, over the next 6 years, went on to develop
Attendees will receive actual printed samples to take with them along with a high resolution scanner, printer and high bandwidth electronics and
a white paper with the technical details. The presentation will conclude assembled them into a functioning electronic copier/printer prototype
with ample time for questions and answers. which, 15 years later, emerged as DocuTech. He was the lead technologist
on a high performance ink jet prototype and, from 1986 on, concentrated
Bio's: on color systems development with Xerox and Fuji Xerox. He had a major
Henry B. Freedman is a third generation printer from Philadelphia whose role in the 5775 color copier, iGen color press, Xerox color management
family has owned and operated printing plants for 100 years. Henry has and the high performance FreeFlow DFE. He retired from Xerox as a
degrees in Printing Technology and Photographic Science from RIT as Senior Research Fellow in 2010. Dr. Crean has been awarded 54 US
well as an MBA in Government Regulation from The George Washington patents and has spoken at many imaging conferences, customer events
University where he also attended law school. Henry's inventions in and trade shows during his last 25 years with Xerox. In 2009, PIA/
chemical film processing, automated printing controls, print ecommerce TAGA awarded Dr. Crean the Reed Technology Medal for significant
and digital image measurement have received many industry awards contributions to the graphics communication industry.
and economic success. Henry is an Eastman Kodak Scholar, 3M Fellow,
a TAGA Fellow, a GATF Scholar and a National Science Foundation award Eric K. Zeise earned a PhD in low-temperature condensed-matter
winner for his research on the future of the graphic arts. Henry for 5 years physics from Cornell University in 1981 and joined the Research
was elected Director of the Washington, D.C. Chapter of SPSE (now Laboratories of Eastman Kodak Co. He was instrumental in developing
IS&T). To share his knowledge Henry was the Technology and Trends the 8-bit non-linear LED exposure control printhead architecture utilized
Editor of American Printer, the Technology Editor of Graphic Arts Monthly in Kodak and Nexpress printing systems from 1986 to present, led the
(with fifty-five thousand print subscribers), and has authored over 485 image quality analysis and evaluation group at Nexpress for a decade,
scientific and technical articles in his now 40 year old Technology Watch contributed color calibration and registration-control systems for the
newsletter. To learn more please see www.henryfreedman.com . roll-fed Prosper production ink-jet press, then helped devise micron-
scale image stabilization techniques for flexographic micro-printing and
Peter H Dundas was born in London and received BS in Chemical developed near-real-time on-line image analysis capability for defect and
Engineering and PhD in Physics from Imperial College London University. line-quality analysis. He served as convenor of the ISO working group
Peter immigrated to USA in 1961 and was on the Chemical Engineering on image quality evaluation for nine years and has led the development
Faculty of MIT in Cambridge Mass for seven years. In 1974 Peter joined of four perceptually correlated, objective ISO image quality measurement
Xerox Corporation in Rochester NY and became a Principal Color Scientist standards. He retired from Eastman Kodak Co. in 2018 with twenty-eight
patents.

is&t news FEBRUARY 2020 The ROCHESTER ENGINEER | 37