HP Officejet error: Printer Failure - There is a problem with the printer or ink system...

Issue

HP Officejet Pro 8600 Plus shows the following error on the LCD screen and is completely non-operational.

Printer Failure
There is a problem with the printer or ink system. Turn printer off, then on. If problem persists, contact HP.

HP OfficeJet - Printer Failure - There is problem with the printer or ink system...

Issue

HP OfficeJet Pro 8600 Plus printer displays following error on its LCD screen and refused to perform any functions.

Printer Failure
There is a problem with the printer or ink system. Turn printer off, then on. If problem persists, contact HP.

Setup L2TP / IPSec VPN Server on SonicWALL Firewall

This tutorial is for setting up L2TP / IPSec VPN server on SonicWALL TZ300 with Firmware version 6.5. This should work for majority of other SonicWALL firewalls as well.

• Switch to Classic Navigation Mode if not already in Classic Mode (hamburger icon in bottom left).
• Go to VPN > Settings and Enable WAN GroupVPN.
  
  
  Read more: Setup L2TP / IPSec VPN Server on SonicWALL Firewall

Add second VLAN on Netgear GD724T Switch

This simple setup allows to split one Netgear GD724T 24 port switch into two 12 port VLANs so that it can serve 2 independent network segments / subsets.

• Login to the Netgear switch management web interface.
• Go to Switching > VLAN > Basic > VLAN Configuration
  • Create a new VLAN with Name and ID of your choice (i.e. Name: LAN-2 ID: 10).
    
  • Go to Switching > VLAN > Advanced > VLAN Membership
    
    Read more: Add second VLAN on Netgear GD724T Switch