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Old 02-02-2017, 11:39 PM   #1
haertig
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GIMP: Why is my printed output not the expected size?


Can anyone tell me why I'm getting scaled print output rather than full size print output? I am expecting the printed output to be exactly 5" x 8", but it is coming out as 4.75" x ~7.5"

See pics for details of settings in GIMP.

[edit] Error in thread subject (can't be edited), it currently says "NOW the expected size", but should say "NOT the expected size" [/edit]
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Last edited by haertig; 02-02-2017 at 11:42 PM.
 
Old 02-03-2017, 06:47 AM   #2
smallpond
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What printer? Does the printer itself impose margins when you try to print to the edge of the page?
 
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Old 02-03-2017, 11:02 AM   #3
haertig
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Thanks for the reply.

It's a Brother Laser printer, older, model HL-5250DN, that doesn't automatically shrink anything that I'm aware of. When I have tried to print too close to a border with it in the past, it simply didn't print the part of the page that was too close, it did not try to shrink the entire page to fit. Also, I would not expect a border problem, since the image I'm trying to print is 5x8 and I'm printing it, centered, landscape, and an 8-1/2x11 piece of paper.

I can use the scale option in the print dialog box to make the output the proper size. But that defeats the purpose of what I'm trying to do. With that scaling currently set at 100%, I was expecting a 100% sized copy. Having to guess a scaling factor, print, measure, then guess again is not what I was hoping to have to do.
 
Old 02-03-2017, 12:55 PM   #4
smallpond
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According to the printer manual, the supported resolutions on Linux are 300 dpi and 600 dpi. From your numbers, it looks like you are requesting 235 ppi and getting something close to 250 ppi. Maybe it rounds to something it knows how to do. Try scaling your image and printing to exactly 300 dpi.
 
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Old 02-03-2017, 02:15 PM   #5
haertig
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Thank you very much! That did it. I set the image X and Y resolutions both to 300 pixels/inch, and now things are printing as I expect them too.

I appreciate your help!

[edit] Initially, I did not set the X and Y resolutions. I just left them at whatever automatically populated there after I create a new image of 8 inches by 5 inches. Now I know that I need to not only create the new image in the physical size I want, but I also have to set the resolution to something the printer likes. [/edit]

Last edited by haertig; 02-03-2017 at 02:17 PM.
 
  


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