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Inches are not printing precisely

Forum|Forum|5 years ago
January 6, 2021
5 replies
3529 views

Hello,

Been using AI for over a decade but this seems to be a new quirk for me. I'm printing out some graphics that need to be cut down to precise 1" x 1" tiles. Everything in my AI file is set up correctly, inches are exact, resolution is 300 dpi, but I'm noticing pretty severe drift in the printed output. It appears to be printing slightly larger, so, as you'll see in the attached image, by the time it gets to 8" it's actually 1/4" larger.

(The image is not completely accurate as lens distortion on my iPhone is throwing the tic lines all out of alignment, but I can assure you that in real-space the ruler and cutting mat are correct and the print is out of scale.)

I'm not sure if this is an AI issue or actually a printer issue, but figured I'd start here. I just purchased a brand new Epson WF-3820 which is what these are printing on. Everything in my print settings is set to print at actual size, 100%.

Any thoughts/ideas/solutions?

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Correct answer CFornalski

After some trial and error I figured out the culprit:

I was setting my paper size to US Letter (Borderless). This scales up the image ever so slightly and was throwing the measurements out of whack. Setting to US Letter printed my tiles at exactly 1" x 1".

So, avoid borderless.

Ton Frederiks

Community Expert

Good to hear you solved it!

Jacob Bugge

Community Expert

Thank you for sharing, C.

C

CFornalskiAuthorCorrect answer

Participant

After some trial and error I figured out the culprit:

I was setting my paper size to US Letter (Borderless). This scales up the image ever so slightly and was throwing the measurements out of whack. Setting to US Letter printed my tiles at exactly 1" x 1".

So, avoid borderless.

Ton Frederiks

Community Expert

Did you try printing an image version (from Photoshop)?

Jacob Bugge

Community Expert

C,

My guess is that the issue is with the printer driver/settings/capability of direct printing from AI.

What happens if you use the PostScript (emulating) driver of the printer (if it has one)?

Or what happens if you print/Save a Copy As PDF, and then make the print from Acrobat (Reader or whatever), preferably turning off any printer preference interference?

C

CFornalskiAuthor

Participant

I did export to PDF and printed from Acrobat with the same results.

I will look into the PostScript driver for Epson printers and see if that's a solution/makes a difference.

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