How to Clear the Maintenance Light on an HP Laserjet 4050
- 1). Turn the power on your printer off. Do not disconnect it from the power source.
- 2). Find the side with the minus sign on both the "Item" and "Value" keys. Press them both simultaneously and keep pressing them while you perform the next step.
- 3). Turn your printer on with your free hand.
- 4). Release both the "Item" and "Value" keys when "Reset Maintenance Count" appears. The maintenance light should now go off.
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