Windows 8.1: Printer Offline Issue
If you have seen issues where your laptops/tablets has been taken from a private (home) network to a public network and then not been able to print when returning back to your private (home) network. This is most likely due to the public network settings not being reset back to the private (home) network settings. If this sounds like an issue you are having- try resetting your network settings by following the steps in the documents linked here:
For Ink Printers, please visit this document to help resolve your issue:
For LaserJets, please visit this document to help resolve your issue:
HP Laserjet - Printer offline and unable to print on a network in Windows 8.1
Install this Microsoft patch to make sure this private-public-private network issue does not reoccur. It is part of the April 2014 Windows Update package for Windows 8.1 and Server2012 R2 (http://support.microsoft.com/kb/2919355).
If you experience this issue before you apply the patch, you must manually reset your network settings for this patch to function. Please refer to the above documents for manual reset help.