Piezography gradiant banding and gridlines in prints - Epson 3880

Piezography Professional Tools
1


Epson 3880

I’ve attached two images to display the issue I am talking about. The first image was using QuadToneRip on Windows and the Second was using QuadToneRip on OSX. The only difference in settings between the two was selecting 16bit for the OSX version. Nozzle checks come back clean.

I chose this image to demonstrate the problem. This is supposed to be a smooth gradient around the moon, but there are weird jumps in tone. I saw this in similar transitions on other images.This happens in both split tone or single tone images.

Additionally on glossy prints in areas of smooth tone I can see a bit of a grid where the ink dots are laid down. You can make that out in the images as well.

In this case I am using Canson Baryta Photographique with provided community edition profile for Pro inks.

–QuadtoneRip Settings–
Resultion: 2880 dpi
Speed: Uni-directional
Black Ink: Photo Ink
Dither Algorithm: Ordered.

–Image File–
Format: TIFF 16bit
Resolution: 360px/in
Source software: CaptureOne

What is going on here?

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Maybe the gradient banding isn’t the printer’s fault? If I open the exported image files with anything other than CaptureOne or Windows Photos, it shows the same problem as my prints. Not sure what I am doing wrong though. I am not pushing this file to far in editing. The gradient actually isn’t edited at all, just atmospheric haze.

3

It may be a a questions for the folks at CaptureOne. If you are using ProPhoto RGB in CaptureOne, it is a color space that is far greater than a human eye, or a display, or a printer can produce. Is there some possibility that you are using ProPhoto when instead you could be using AdobeRGB 1998 that the human eye can see, some displays are capable of producing, and most of which can be printed?

Perhaps try converting in CaptureOne first if you are in ProPhotoRGB.

my two cents worth…

Rachel - IJM TechSupport