Several reasons can lead to your 'Dell printer offline message, such as the computer software being updated, a connection issue between the hardware of the printer and PC
Check your device if you're unsure.
Step 1: Click the "See What's Printing" option.
Step 2: Click the "Printer" menu in the window that opens and uncheck "Use Printer Offline."
Step 3: Any items in the print queue for your printer will then print.
If you cannot do it on your own, you can connect to us for better advice and service.