HP Color LaserJet Enterprise M750

LED, engine, and individual diagnostics can identify and troubleshoot product problems.

Understand lights on the formatter

Three LEDs on the formatter indicate that the product is functioning correctly.

1. Formatter connectivity LED (lit when formatter is correctly seated)
2. HP Jetdirect LEDs
3. Heartbeat LED

HP Jetdirect LEDs

The embedded HP Jetdirect print server has two LEDs. The yellow LED indicates network activity, and the green LED indicates the link status. A blinking yellow LED indicates network traffic. If the green LED is off, a link has failed.

For link failures, check all the network cable connections. In addition, you can try to manually configure the link settings on the embedded print server by using the product control-panel menus.

1. Press the Home button
2. Press the Down arrow to highlight the Administration menu, and then press the OK button.
3. Press the Down arrow to highlight the Network Settings menu, and then press the OK button.
4. Press the Down arrow to highlight the Embedded Jetdirect Menu option, and then press the OK button.
5. Press the Down arrow to highlight the Link Speed menu, and then press the OK button.
6. Select the appropriate link speed, and then press the OK button.