⑧You can set up printer properties, such as "Media Tracking", "Darkness" and "Print speed".
(Larger number means higher Darkness)
⑨Preview, check the print size and Orientation. If preview looks good, click "Print"
You can check this video to know:
WIN:Using"Take a Snapshot" on Adobe Reader to crop a single label with PM246Pro
①Save your label as a PDF file
②Open the file in Adobe Reader
③Go to "Edit" -> "Take a Snapshot"
④Drag the box over your label, then right click and select "Print"
⑤Select Printer -> Click "Properties"
-> Go to "Page Setup"-> Select label size from "Name"
If the size you need not is not listed, then then click "New" to create a label size, then click "Ok"
⑥You can change the printing speed and the Darkness of your printing (Larger number means higher Darkness)
⑦Check the created size and click "OK"
⑧Preview, check the print size and Orientation. If preview looks good, click "Print"
Note: If you are shipping more than a few labels, you would benefit from using a commercial solution that create 4 x 6 labels in one-click. See this article:How do I generate labels?(Printing Label - Printing Label - How do I generate shipping labels)
3) Briss is a free open-source application available for cropping PDF pages at once. It may take a little while getting used to it but once you are comfortable with it, it is pretty fast: https://sourceforge.net/projects/briss/
4) For Mac:
There is a third-party company that offers a software for cropping labels