System Error: Power Supply Unit (PSU) Malfunction

This error indicates a problem with the printer's power supply unit. The printer is not receiving stable or correct power, preventing it from functioning.

• 1Defective or failing internal Power Supply Unit (PSU) component (e.g., capacitors, voltage regulators).
• 2Loose or damaged power cable connection between the PSU and the main formatter board.
• 3Overload or short circuit within the printer's electrical system drawing excessive current from the PSU.
• 4Degraded or faulty external power cord or power strip providing unstable input voltage to the PSU.
• 5Environmental factors such as power surges or brownouts damaging internal PSU components.

• Printer fails to power on completely, with no display activity or fan noise.
• Printer powers on briefly, then immediately shuts down with error code 03.0 displayed.
• Intermittent power loss during operation, leading to unexpected shutdowns.
• Flickering display or control panel lights before the printer enters an error state.
• Unusual noises (e.g., buzzing, clicking) emanating from the rear of the printer where the PSU is typically located.

1. 1

   Ensure the printer is plugged directly into a wall outlet, not a surge protector or UPS. 2. Try a different power outlet. 3. Turn off the printer, unplug it, wait 5 minutes, then plug it back in and restart. If the error persists, the PSU may need replacement.