Here we have explained the Why Is Offline Printer issue. The Wi-Fi connection on your printer can be typically the source of the problem. Alternatively, this could be due to a number of factors, including defective cable connections, obsolete printer drivers, problems with vital system processes, or a simple error caused by a paper jam, to name a few. Moreover, it depends on how old your printer is. It also happens if your printer is set to print in offline mode.