HP LaserJet M706 Pro

Use the following steps to troubleshoot the product not turning on when the power button is pressed.

1. Before beginning this troubleshooting process, verify the following:
   • The product is being supplied with normal AC voltage
   • The product's AC power cord is connected to the product and plugged in to a power source
   • All internal power cables and wire harnesses are connected securely
2. Replace the engine flat flexible cable, and then press the power button. If the product does not turn on, proceed to step three.
3. Replace the control panel assembly, and then press the power button. If the product does not turn on, proceed to step four.
4. Replace the formatter PCA, and then press the power button. If the product does not turn on, the engine is defective and must be replaced.