Test Forms and Audits

Large Format Benchmarking Exercise

All output devices have different levels of precision and accuracy, and every year with the introduction of new technologies, manufacturers have improved the ability to put ink on paper. This benchmark is designed to capture the state of the Industry at the end of 2017 regarding five key attributes that most customers should care about.

We have attempted to make this benchmark easy to print for the user, and it allows for tracing the output devices performance over time which allows the user to easily compare the performance of output devices over time, and to one another. The user can access this information and track their data with no outside help.

We have developed four PDFs that are designed to be easily printed and measured to assess six key attributes related to a printing devices performance. Some of these PDFs are intended to be printed with color management and some without in order to assess the native, calibrated condition of the output device.

Previous studies have been done by Idealliance (most recently in 2013) which assessed a number of attributes including all of the ones below plus some additional qualities such as registration, rub resistance, weathering, ink consumption print speed, and price. Virtually all the devices performed acceptable ratings for these attributes, or the attributes are not directly relevant to color reproduction which this research is dedicated toward since the results are being shared at the PIA Color event in January 2018 in San Diego.

Manufacturers will have the ability to have their results displayed with their name, or they can choose to keep it generic. Manufacturers will have the ability to review their data and compare to their competitors to see the differences to make these decisions.

Substrate- we suggest that you print on a substrate which will favor your devices gamut (glossy/white) capability. We are planning on measuring all the data with an X-Rite ISIS, so we ask that the thickness of the material be limited to .45 mm if you have to print on a thicker substrate, let us know and we will ship out a different set of targets that will be used on a different instrument.

The six assessments that we are evaluating include:

  1. Color Gamut - We determining the gamut size by calculating the ISO Gamut size in a numeric number, and we are calculating the percentage of PMS colors that can be reproduced within 2 delta. This test assesses the device/ink combination.
  2. Uniformity- Within Page uniformity- We have the useer print the VI816 target in four opposite corners of the imaging area, and we determine the degree of uniformity on the imaging area. The media size will be documented. This is checking the hardware precision of the device on the given substrate, the larger the imaging area, the hard it is to control precision.
  3. Repeatability- Between pages within one job- We have the user print the VI816 target file three times across three consecutive prints to simulate printing multiple files in one job; please ensure the log label is connected to the target. This is checking the hardware capability of the device on the given substrate.
  4. Reproducibility- Between days- We have the manufacturer print the VI816 file at least two additional days, and please ensure the log label is connected to the target. This is checking the hardware capability of the device on the given substrate.
  5. Color Accuracy- The manufacturer can choose which print aims to assess to, and document on the print the intended simulated result. This assessment is greatly dependent on the RIP, and the color management applied on the RIP to make an output device conform to a given reference printing aim. We suggest the manufacturer choose the reference printing aim that will give the vendor the most accurate result based on the capabilities of their device condition.
  6. Addressability- This assessment compares the resolution and contrast of a device's capabilities. This is often dependent on the viewing distance for the given print. We are providing the baseline file based on a typical resolution. Many manufacturers can adjust the resolution through different settings on their software, and this has a direct trade off on print time and often ink consumption.

Please send the prints- “clearly labeled” to:

David Hunter
ChromaChecker Corp.
6563 North Shore Trail
Forest Lake, MN 55025



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