Dot Gain In Offset Printing: Causes & Troubleshooting

In the realm of offset presswork, the subtleties of dot gain play a pivotal role in determining the quality of the final print. Dot gain refers to the seemingly innocent but impactful phenomenon where printed dots appear larger than they should, altering colors and affecting the overall print quality.



This optical illusion happens during the transfer of ink onto the printing surface and poses a challenge in maintaining precise color reproduction.

Unraveling the mysteries behind dot gain in offset printing is essential to grasp how this factor influences the final product and how printers troubleshoot to achieve the best possible results.

Takeaways

  • In offset presswork, dot gain remains a crucial aspect affecting print quality.
  • Dot gain, a common occurrence, involves the enlargement of printed dots beyond their intended size during the delivery of ink from the plate to the printing surface.
  • It occurs due to various factors, including pressure exerted during the printing process and the absorption properties of the paper used.
  • Managing dot gain involves precise adjustments in printer calibration, employing appropriate ink formulations, and selecting suitable paper types to control ink absorption.
  • Addressing dot gain ensures the fidelity of color reproduction and maintains the intended details in the final printed outcome.

Source: https://wlo-usa.org/dot-gain-in-offset-printing/

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