If you have a KB article in Knowledge V3 that contains images, the images will not print in PDF or on paper.
Steps to Reproduce
Open a Knowledge v3 article.
Add an image to the article and click Update.
Click View article.
Click the gear icon in the upper right of the banner frame, and in the General tab, click Printer-friendly version at the bottom of the tab, right-click, and select Print.
Notice the image is not displayed to be printed.
If you are able to upgrade, review the Fixed In field to determine the versions that have a permanent fix to this issue.
Related Problem: PRB661071