See "Resolving problems printing a specific PDF file from an Acrobat product" in this document.
-- If the file doesn't print correctly, go to step 2. Print another type of file (for example, a text file) from another application (such as Microsoft Word, Text Edit or Simple Text).
If Adobe's test page says that Flash is outdated and you don't want to wait for the automatic update, you can update Flash manually by downloading and installing the latest version from Adobe.
If Adobe's test page does not show that Flash is working even though you have installed the latest version, your Flash plugin may be disabled in the Add-ons Manager.
I had the same problem, updating Flash in OS X 10.11.6 (El Capitan), and the solutions posted here didn't work, including the accepted solution from May 2016 pointing to "distribution3.html" at Adobe, which currently (Nov 2016) redirects to a new page providing only the web installer.
After multiple searches, I learned that that page had a deprecation message on it for about a year before Adobe removed it and redirected.
Determining the cause of the problem Before you can troubleshoot the problem, you need to determine its cause. Print another PDF file, such as the first page of Acrobat Help: -- If that file prints correctly, the PDF file that doesn't print correctly may be damaged.
To make sure that Flash is enabled, There are three different types of Flash Players: an Active X version for Internet Explorer, a Chrome version built into the browser and a plugin version for Firefox and some other browsers.
If you want Flash to work in Firefox you must install the plugin version, as explained above.
For the past few years, it's been located at you can Google "adobe flash player offline installer download" which always finds it.
I did eventually find a solution to my Flash problems... I uninstalled Flash from every machine in the building ;-) BTW ..