[all variants] CUPS Blurry graphics with LP 2844-Z label printer

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http://ubuntuforums.org – I've been trying to get my LP 2844-Z shipping label printer (Z means that it uses the ZPL language) to work with two machines, one with Snow Leopard, and one with Mountain Lion.* Ubuntu should use the same CUPS (Common Unix Printing System), which is why I'm posting here. I set up the printer using the standard ZPL driver.* I am able to print a test page from CUPS at "localhost:631/" and the CUPS test page prints crystal clear text but the CUPS test image is a bit blurry.* Whenever I try to print any sort of image using OSX, I get very blurry images printed.* I figured out the r (Hardware)