Flexographic Printing Blog

Flexo Printing Defects Diagnostic Chart & Troubleshooting Guide

Posted by Luminite on Dec 22, 2017 2:43:31 PM

There’s an equation for printing success. Too much press downtime while troubleshooting defects isn’t a part of it. Wasted time is wasted money.

This diagnostic chart helps you quickly hone in on your flexo printing defects and their likely causes, so you can get your machines back in business.

Luminite flexographic printing defects grid

Click here to download the grid and accompanying guide. For more detailed instructions on how to use the chart and interpret results, download the full Printing Defects Troubleshooting Guide below.

How to Read the Flexo Printing Defects Diagnostic Chart

Vertical Axis: Types of Flexo Printing Defects

We generally recognize 12 common defects in flexographic printing. As you can see from the checklist, they are:

In our experience, they stem from 10 common causes.

Horizontal Axis: Causes of Flexo Print Defects

  • Pressure
  • Press mechanics
  • Anilox
  • Cell volume
  • Ink transfer
  • Ink viscosity
  • Ink pH level
  • Contamination
  • Plate swelling
  • Drying speed

On this grid, printing defects are listed down the left column with their potential causes on the top row.


Get the Full Flexo Printing Defects Troubleshooting Kit to Identify & Fix Your Printing Issues

The full guide contains details about each defect, explanations of the causes, and instructions on how to fix each one. Depending on the severity of your issues, troubleshooting may involve:

Fill out the form below to get yours now! 

Tags: Insider, Flexographic Printing, Ink Transfer, print misregistration, printing defects

Subscribe to Our Monthly Email Updates!

Flexo Printing: Ink Transfer

Check Out Our Popular Posts!