Jpeg printing

[sugarcoated293]

Hi,

I've printed a black on white a4 poster but the white background did not turn out well and haha pixelated background. See 15191273211271426828061 — imgbb.com

Meanwhile, the pdf version was fine with a crisp white background.

What do I do to get rid of the unclear jpeg background?

Thanks!!

[Doug A Roberts]

i'm not sure what i'm looking at in that photo, but why do you need to print a JPEG if you can print PDF?

[Mike_Gondek]

I'm with Doug, not sure what you are asking. ,jpg is an RGB compressed format, you should not use that  for printing.

[sugarcoated293]

The photo is is the white background from the jpeg. It's got grey grid lines on it.

I used jpeg because some printing services request it.

[Monika Gause]

Then change the printing service.

[sugarcoated293]

I could do that but I still want to find out why this issue occurs.

[Theresa J]

The jpeg you created probably has a slight tint where it should be white. How did you create the jpeg? How do you know for sure that the original PDF had a perfectly white background?

[sugarcoated293]

Hi Theresa,

The jpeg was via illustrator.

The picture is actually the printed jpeg. I also printed out a pdf and I compared them.

[Theresa J · Accepted solution]

Open the jpeg in Photoshop and use the eye dropper to take a reading of the color mix for the whites. If the readings are completely white, then you should ask your printer for a refund.

[CHMprepress]

Can you share the file's, Illustrator and resulting jpg?

[sugarcoated293]

Thank you Theresa!

I think it was the printer itself !