HP LaserJet Pro 500 Color MFP M570

Power-on checks

When you turn on the product, if it does not make any sound or if the control-panel display is blank, check the following items:

• Verify that the product is plugged directly into an active electrical outlet that has the correct voltage. Do not plug the product into a surge protector or power strip.
• Verify that the on/off switch is in the on position.
• Verify that the formatter is seated and operating correctly.
• Remove any HP Jetdirect accessories or other devices, and then try to turn the product on again.
• Make sure that the control-panel display is connected.
• Check the two fuses on the power supply.
• If necessary, replace the power supply.
• If necessary, replace the DC controller.