There are several ways to fix the Toshiba Printer Offline problem. Check the printer's settings first. Make the necessary adjustments to the parameters if they don't produce the intended results. Look for any outdated printer drivers and update them as soon as you can, or install the printer driver again. Above importantly, make sure the printer is connected to the computer via USB. A loose connection is the root cause of the Toshiba Printer Offline Error. Restart the apparatus if an error still exists.