What does a blinking 'E' on the HP DeskJet 4255e display signify without a specific number, and how should I address it?

A blinking 'E' on the HP DeskJet 4255e display, without an accompanying number, typically indicates a general recoverable error or a state requiring user attention. This could be due to an open door, a paper tray that needs adjustment, or a temporary software glitch. Check for any visual cues on the printer, such as open covers or flashing lights, and address them. Often, simply closing a tray, ensuring paper is loaded, or performing a power cycle (turn off, unplug, wait, plug in, turn on) will clear this general blinking 'E' state.