It’s easy to test for communication problems between the JetDirect box and the printer itself. Finally, if both lights are on (solid), the unit is congested by extremely high volumes of network traffic.If the Status light is flashing and the Activity light is off, the unit is either in the middle of a self-test, isn’t configured, or isn’t able to attach to the network.This light code indicates that a critical failure has occurred during a self-test operation. If the Status light is off, but the Activity light is on, the unit has a serious problem.If the Status light is on and the Activity light is blinking, the JetDirect box is receiving power and is able to detect network traffic.This could be related to a bad network connection. If the Status light is on, but the Activity light is off, no LAN activity is detected.If both lights are off, the JetDirect box isn’t receiving power.You can sometimes tell immediately from these lights what is wrong with the printer: If you have an external JetDirect print server, you’ve probably noticed that the print server has a Status and an Activity light. Here’s a shortcut that you may be able to use to quickly determine the nature of your printing problem. Typically, JetDirect problems fall into one of three categories: problems communicating with the printer, network connectivity problems, and JetDirect client problems.
In this article, I’ll explain how to troubleshoot a JetDirect print server. One product that many systems/network administrators have trouble dealing with is a JetDirect print server. Printing problems are some of the most common issues that IT staff encounter.