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NM MSDK
Inspiring
September 4, 2024
Question

how to print highest quality

  • September 4, 2024
  • 1 reply
  • 3537 views

Hello everybody.

 

I have make a nice picture i would like to print. I have set my settings the way i see it recommended here the most. (Sheet size the same of paper size, 300 ppi).

 

But the image is very high defenition on my pc, but when printed, it turns to blurry.

 

Now my main document is 36 by 24 inch but when i print on a smaller scale i make a copy and adjust those to the same size as the paper i print on.

 

But my a3 is blurry on the same places as my a4.

 

Does anyone have an idea? 

 

P.S. only strange thing i see here is when printing it says : "documentprofile: GIMP built-in sRGB". Wich i have no idea what it means or if it could be a cause.

 

THanks already!

 

-NM

 

This topic has been closed for replies.

1 reply

Per Berntsen
Community Expert
Community Expert
September 4, 2024

What are the pixel dimensions of the image?

To print A4 at 300 ppi, you need 3508 x 2480 pixels.

PPI stands fpr Pixels Per Inch – the number of pixels used to print one inch on paper.

21 x 29.7 cm equals 11.693 x 8.267 inches. Multiply these numbers with 300, and you get 3508 x 2480.

To print A3 at 300 ppi, you'll need 4961 x 3508 pixels.

NM MSDK
NM MSDKAuthor
Inspiring
September 4, 2024

Those are exactly the amount of pixels i have indeed, 3508 x 2480 and 4961 x 3508.

Any other idea's where the problem may lay?

 

NB, colourmanagement
Community Expert
Community Expert
September 12, 2024

Hi, the reseller also is not very helpfull, but this is the information i gathered.

I have honestly no idea what this all means, but i hope you do!

 

Thanks.

 

 


@NM MSDK well theres one clue I could see, it's the resolution of 1200.

In this case then a 300ppi should print sharp as there will be no part pixel interpolation..

Because 1200/4 = 300

 

Nothing I can see about colourspace or ICC profiles.

The printer MAY prefer to receive CMYK data, of course they have to be converted to the right CMYK colourspace to get good results. You could do some tests starting by printing an sRGB image and saving the point for s comparison. next, convert that to CMYK and save a copy.

As it's a European market product you may get a good result using ISO-coated V2 FOGRA 39L ICC profile .

Photoshop installs the CoatedFOGRA39.icc profile 

it's quite similar to: 

 "ISOcoated_v2_eci.icc" (available from eci.org)

both profiles made from FOGRA 39L press data 

 

maybe try testing with this test image, it comes in Adobe RGB (you'd want to convert it to sRGB) or CMYK

please go  here and download the testimages:

 

I hope this helps
neil barstow, colourmanagement net - adobe forum volunteer - co-author: 'getting colour right'
google me "neil barstow colourmanagement" for lots of free articles on colour management
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