Your Dell Printer Offline notice may have a number of causes, including outdated computer software, a problem with the printer's hardware connection to the PC (including cables or Wi-Fi gear), outdated printer firmware, or outdated PC printer driver software. In addition, any one of the following three factors could be the root of this problem:
To conserve electricity, the computer is turning off the wireless adapter. The communication fault is being caused by the firewall or antivirus software. Incorrect i.p address or missing network information in the printer settings.
By simultaneously pressing the Windows key and R, you can open Run. When the Device Manager opens, click Print Queues. Then choose Update Driver by right-clicking the printer's hardware. In the popup, you will also be asked, "How do you intend to hunt for the driver?" Select Look for driver software on my computer in the following. Additionally, select the option to install new drivers and update your printer's drivers. Restart your computer right now.