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How to select pixel count when outputting to JPEG?

Jun 8, 2011
Lightroom Experience
Lightroom Version
I am outputting a set of images to JPEG for the first time. The site that I'm sending these to has parameters of 72 ppi and a minimum of 1920 pixels. If I use the Export function I can designate pixels count. If I output by using the Print Job panel, how I do designate minimum pixels? In fact, using the Print Job panel, how do I know the pixel count for the file I just sent to my Desktop?

Im using Lightroom 5.7 on a Mac, OSX 10.9.5. I have to post these images by 6 pm tonight.

Thanks for your help.
Jun 20, 2009
Houston, TX USA
Lightroom Experience
Power User
Lightroom Version
Cloud Service
You don't. The specs are poorly written 1920 pixels = ~0.0002 mp Perhaps they mean the shortest edge or perhaps they mean the longest edge. More likely they mean the minimum for the long edge. But lacking clarity. you are still guessing.

The Print module is probably not the place you want to create an JPEG file.