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GT381 Printing quality issue on colored tee - Can you have a look and advice ?

3325 Views 16 Replies 5 Participants Last post by  FlyingLion
Hi there,

I bought a new Brother GT381. I have no issue except on some designs. As you can see below I have white dots ink around image shape (letters) which are not covered by colored ink.

This image is quite explicit:


I personally think this issue is coming from my file which have antialiasing around design shape. But Why my printer don't handle it correctly and cover the white dot ??

So is there any driver or printer setting to fix this kind of thing ?

Thank you :)

/Julien
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If i was you i would recreate the logo with a transparent background, this would alleviate that from happening. If you are unable to recreate it, instead of using GP Studio to remove the backround, uncheck the print black ink option in the print window. However, you will not get any black ink anywhere on the design which you might want since you are printing on a blue shirt. In which case, your best bet might be to recreate it with a transparent background, which is what I would do.
Thank you jtilden for your time.
I was not clear enough. I added a black background to my attachment file just to show you that the white dot was not in my file. In real the background is transparent.
That is one way but you may want to try using
Layer, Matting,

Definge, Remove Black matte, Remove White Matte

but of course this is only for 300dpi images and would always create a 'FileOutput' image first to see exactly where white and CMYK will be printed.
Thank NZACO,

I didn't know this way. I tried but it's not better. My issue is coming from the transparency around letter. I need to remove this transparency.
Thank NZACO,

I didn't know this way. I tried but it's not better. My issue is coming from the transparency around letter. I need to remove this transparency.
Thanks for sending the image and noticed by bringing it down to print size i could recreate the problem.

The fix it I changed the original large 72 dpi image to 300 dpi and saved it in a tiff format (higher quality than png)
I did what you said and still see white dot in the fileOutput :
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I did what you said and still see white dot in the fileOutput :
View attachment 89346
This is my result
Much better than mine !

How much is your tolerance (advanced settings) ? Mine is 3
Much better than mine !

How much is your tolerance (advanced settings) ? Mine is 3
Mine is 2 but i do think it is to do with how the image is prepared in photoshop.
If you use Brother's PDIP program, it will make your lives a crapload easier whenever you have transparencies or fading. Dump the image to PNG with transparent background in place, drag and drop into the PDIP program, send to print, and you shouldn't ever run across this issue again.
If you use Brother's PDIP program, it will make your lives a crapload easier whenever you have transparencies or fading. Dump the image to PNG with transparent background in place, drag and drop into the PDIP program, send to print, and you shouldn't ever run across this issue again.
Hi Joe yes printing with the PDip software is how all Brother images should be printed at the moment but this is an issue in the construction of the image in photoshop.

I am still testing why there are differences in the constructed image and will have that done in 12 hours. I do have to add that printing with TIFF format will give you a better result as it is easily processed by the ICC profile used in PDip.
Will keep that in mind, think when I first was messing around with it, they always suggested PNG or something.

Are you sure the OP is passing it through the PDIP though? The way the shading on the FB thumbs up looks like they were printing direct from a graphics program.

Thanks for the tip!
First of all thank you all for your time and advices.

I am printing a png file using photoshop. If you want to get the original file you can download it here :
https://drive.google.com/file/d/0B9lG4kq48wcBNm5mVmtWZWF2eGM/edit?usp=sharing

Concerning PDIP I didn't know this software. The problem is that google and EU Brother website didn't know it also :) Do you know a way to get it ?

Thank you again!
First of all thank you all for your time and advices.

I am printing a png file using photoshop. If you want to get the original file you can download it here :
https://drive.google.com/file/d/0B9lG4kq48wcBNm5mVmtWZWF2eGM/edit?usp=sharing

Concerning PDIP I didn't know this software. The problem is that google and EU Brother website didn't know it also :) Do you know a way to get it ?

Thank you again!
Hi can you ensure you are using these PS color settings and the image is 300dpi, in PS it is at the correct size of cm and it is in TIFF format.

I will email you the image I adjusted along with the AR3 file so you can compare.

Also for PDip call your dealer they should have it.
Brother Germany (EU HQ) do have it. Your dealer can forward it onto you. There are different versions for drivers and firmware and it doesnt work if you dont have the right version. I would ask the dealer for the latest drivers and firmware and update them first. Then run PDIP after.

Dont worry about your photoshop settings as per above unless you want to drown in the details of colour matching. Not worth it in my opinion as you would have to have a gazillion combinations for different brands, colours, cotton blends, weaves, pretreatment level etc.

All you need to do is drag and drop your PNG artwork file into PDip and your white spot issue is gone.

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