To reset a Dell printer, first, turn off the printer and unplug it from the power source. Then, wait for at least 30 seconds before plugging the printer back in and turning it on. Next, locate the reset button on the printer and press and hold it for a few seconds until the printer lights flash. Release the button and wait for the printer to finish resetting. If your Dell printer does not have a reset button, try accessing the printer's settings menu and selecting the reset option. Reset dell printer