Restarting the print spooler service can help in resolving many printer queue issues. Open 'Services' from the start menu, ...

Your printer may be offline because it has many moving parts, and there are many different ways it can fail. Possible solutions to an offline printer include checking your printer's WiFi connection, ...

I work in an environment where printers are getting stuck on a fairly regular basis. We use two TS servers that users print through using a client named ThinPrint to about 50 different printers.