ThinkDon is our periodic Question and answer forum with expertise in the world of large format package printing by our VP of Manufacturing, Don Ellis.

ThinkDon - From Huston Patterson Printers

ThinkDon is our periodic Question and answer forum with expertise in the world of large format package printing by our VP of Manufacturing, Don Ellis.

What steps were taken to certify Huston Patterson as a G7 Master Printer and how do you know if your proofs continue to meet G7 standards?

Our pre-press proofing equipment consists of an HPz 6100 color proofer, with in0line spectrophotometer, GM Color Management Software and an Isis Spectrophotometer.

These are the steps taken to become G7 Master Printer certified.
  1. A color test form is proofed. The form contains 1,650 individual color squares.
  2. The color test form is read by the Isis Spectrophotometer.
  3. The readings are sent to the GMG Color Management Software.
  4. The GMG compares the color readings to the G7 standards.
  5. Color adjustments are made to the color profile.
  6. The color test for is then resent to the HPz 6100 with the new color profile.
  7. The color test form is then read by the Isis Spectrophotometer and sent to the GMG.
  8. If the corrected result is within G7 standards the color profile is completed.
To keep producing color proofs that meet G7 standards, our HPx 6100 Color Proofer has an in-line spectrophotometer. Every day a color test is automatically run and read by the spectrophotometer. Any color corrections are automatically made and a new color test strip is ran to verify the proofer is properly calibrated.

A color test strip is added to every proof. The color test strip is automatically read by the in-line spectrophotometer to ensure the color remains with-in a 2.5 delta E. A sticker indicating the color proof meets the G7 standard is attached to the proof.

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