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Tools for troubleshooting
The section describes the tools that can help you solve problems with your device.
Individual component diagnostics
LED diagnostics
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
2
3
1Connectivity LED
2Heartbeat LED
3HP Jetdirect LEDs
Heartbeat LED
The heartbeat LED provides information about product operation. If a product error occurs, the formatter displays a message on the
NOTE: HP recommends fully troubleshooting the formatter and control panel before replacing either component. Use the hjeartbeat LED to troubleshoot formatter and control panel errors to avoid unnecessarily replacing these components.
246 Chapter 3 Solve problems | ENWW |