Sometimes your printer might be online but won’t be printing. To solve the issue, make sure your computer and printer are turned on. Also, both devices should be connected to each other using a wired or wireless connection. In the case of a wireless connection, your wireless router could well be the reason behind the issue. On the other hand, if the printer and computer are connected using a wired connection, then the Ethernet or USB cable might be damaged. But you can come to a conclusion and fix the issue only if you inspect other factors as well. So, if Printer Online But Not Printing, make use of the troubleshooting steps given on this page to make it print again.
You will see all the printers that are connected to your PC.