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Unwanted artifacts in print output

New Here ,
Sep 07, 2020

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Please forgive as I am a complete newbie at most of this. Also, I'm pretty sure this is not an Illustrator problem so much as it is probably a printer problem or a print rendering problem, but I'm hoping that someone here will know the answer nonetheless.

 

I have a vector image in Illustrator. I need to be able to print it very small (like about 13mm wide) and have it look decent even under some magnification.

 

The image looks great as a vector of course (see 1st image below).

 

Printing issues - vector in Illustrator.png

 

We're printing it to a Brother MFC-9330CDW color laser printer. Specs say up to 600 x 2400 dpi.

 

The problem is that when we print it vast chunks of the image are missing and there are very fine unprinted (so white) lines at a 45 degree angle, repeating at a regular interval. This is best seen in the 2nd image.

 

Laser printing issues - diagonals evident.png

 

In the 3rd image I have added some red lines that track the diagonals of some of the fine-line defects.

 

Laser printing issues - marked.png

 

Though I authored the image in Illustrator on Windows, I then saved it to a PDF (which still looks beautiful of course - it's still a vecotor and you can zoom in and out infinitely without losing sharpness) so that I could print the file on a friend's color laser. Said friend has a Mac and does not have Illustrator, so saving it as a PDF seemed like a good plan.

 

Now perhaps it's possible that I am expecting too much from the laser printer, and this is the best that a 600 x 2400 dpi laser can do. I hope not.

 

As a separate-but-related topic, it seems that it is annoyingly common that what you have in the computer is not what ends up on the page when you print it. The 4th image is what happens when I print the image on glossy photo paper in photo mode, on my Canon MG5420 inkjet printer. The image would be great if not for all the extra dots out in the middle of what should be clear space.

 

Inkjet printing issues 2 - stray dots.png

 

It bears repeating that these images are very small. The whole logo including the text is only about 13mm wide. So obviously these are macro photos of the printed output. But surely there must be a way to print the file in a way that doesn't add a bunch of junk to the image (as in the inkjet output), or end up leaving out quite a bit of the image (as in the laser).

 

Like I said, I'm a newbie, so if this is something really stupid simple, or if I have failed to include some detail that anyone but an idiot would have known to include, I apologize in advance.

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Unwanted artifacts in print output

New Here ,
Sep 07, 2020

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Please forgive as I am a complete newbie at most of this. Also, I'm pretty sure this is not an Illustrator problem so much as it is probably a printer problem or a print rendering problem, but I'm hoping that someone here will know the answer nonetheless.

 

I have a vector image in Illustrator. I need to be able to print it very small (like about 13mm wide) and have it look decent even under some magnification.

 

The image looks great as a vector of course (see 1st image below).

 

Printing issues - vector in Illustrator.png

 

We're printing it to a Brother MFC-9330CDW color laser printer. Specs say up to 600 x 2400 dpi.

 

The problem is that when we print it vast chunks of the image are missing and there are very fine unprinted (so white) lines at a 45 degree angle, repeating at a regular interval. This is best seen in the 2nd image.

 

Laser printing issues - diagonals evident.png

 

In the 3rd image I have added some red lines that track the diagonals of some of the fine-line defects.

 

Laser printing issues - marked.png

 

Though I authored the image in Illustrator on Windows, I then saved it to a PDF (which still looks beautiful of course - it's still a vecotor and you can zoom in and out infinitely without losing sharpness) so that I could print the file on a friend's color laser. Said friend has a Mac and does not have Illustrator, so saving it as a PDF seemed like a good plan.

 

Now perhaps it's possible that I am expecting too much from the laser printer, and this is the best that a 600 x 2400 dpi laser can do. I hope not.

 

As a separate-but-related topic, it seems that it is annoyingly common that what you have in the computer is not what ends up on the page when you print it. The 4th image is what happens when I print the image on glossy photo paper in photo mode, on my Canon MG5420 inkjet printer. The image would be great if not for all the extra dots out in the middle of what should be clear space.

 

Inkjet printing issues 2 - stray dots.png

 

It bears repeating that these images are very small. The whole logo including the text is only about 13mm wide. So obviously these are macro photos of the printed output. But surely there must be a way to print the file in a way that doesn't add a bunch of junk to the image (as in the inkjet output), or end up leaving out quite a bit of the image (as in the laser).

 

Like I said, I'm a newbie, so if this is something really stupid simple, or if I have failed to include some detail that anyone but an idiot would have known to include, I apologize in advance.

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Sep 07, 2020 0
New Here ,
Sep 08, 2020

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I just thought I'd bump this post since it was stuck in moderation before being posted and started out several pages down in the stack right off the bat. Thanks in advance if anybody has any suggestions. Much appreciated.

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Sep 08, 2020 0
Adobe Community Professional ,
Sep 09, 2020

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13 mm is just not very large. Ad a laser printer is still just a laser printer.

ALso: Please check the color. It looks like your image is producing halftone screening. Is it really 100% black or something else? Some muddy mixture of whatever?

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