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.
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:
- Dot gain
- Gear marks
- Skip out
- Mottled image
- Filling in
- Dirty print
In our experience, they stem from 10 common causes.
Horizontal Axis: Causes of Flexo Print Defects
- Press mechanics
- Cell volume
- Ink transfer
- Ink viscosity
- Ink pH level
- 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:
- Press maintenance/replacement parts
- Computer recalibration
- Switching to In-The-Round (ITR) flexo sleeves
- Choosing between elastomer vs. photopolymer sleeves/plates
- Implementing proper sleeve/plate maintenance routines
- Ink or substrate adjustments
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