Participant

Question

Silkscreen halftone Gradient Printing - Gradient Banding issue

Forum|Forum|11 months ago
March 19, 2025
2 replies
768 views

I am working on a silkscreen printing project, creating gradients as halftones for film printing.

At the 50% point, where the halftone dots transition into a checkerboard pattern,

gradient banding occurs.

Is there a solution to this?

Windows

c.pfaffenbichler

Community Expert

Could you please post screenshots taken at View > 100% with the pertinent Panels (Toolbar, Layers, Options Bar, …) visible?

A

agile_Spirit8314Author

Participant

I am using Korean, not English, within the program. Please keep that in mind. This is the state at 100% view. The resolution is 2500 dpi, and the LPI is 50.

A

agile_Spirit8314Author

Participant

I fail to see banding in the screenshot, so are you talking about the actual printed result?

What material are you printing on?

Yes, there is banding in the printed results. I am doing silk screen printing on glass. I used a mesh of 300 and an LPI of 50.

Stephen Marsh

Community Expert

There are multiple ways to create halftone screens in Photoshop (which isn't a proper halftone screen RIP). How specifically are you creating your screens and at what resolution and LPI value?

https://the-print-guide.blogspot.com/search?q=Euclidean&m=1

https://the-print-guide.blogspot.com/search/label/Dot%20Shapes?m=1

https://the-print-guide.blogspot.com/search/label/AM%20Screening?m=1

A

agile_Spirit8314Author

Participant

I am working with bitmap at 2500 dpi and applying 50 LPI (lines per inch). The screen mesh used is 300. I noticed banding occurring at the 50% point of the halftone pattern, where it turns into a checkerboard. There is dot loss, dot gain, and the gradient transitions are not smooth and look abrupt. What should I do?

I am working on a single-color print gradient, not a two-color print.

Stephen Marsh

Community Expert

@agile_Spirit8314

The bitmap mode halftone conversion is generally best, I would usually avoid the more "artistic" halftone effects. This will transition from round/square/round which is generally best.

What is your K angle? 45° or shifted to something like 52.5°?

Do you have a TVI/Dot Gain curve applied to the contone file before the bitmap mode conversion?

How are you creating your positive films? Inkjet? Laser printer?

Sign up

To post, reply, or follow discussions, please sign in with your Adobe ID.

Sign in to Adobe Community

To post, reply, or follow discussions, please sign in with your Adobe ID.

Scanning file for viruses.

This file cannot be downloaded