HP LaserJet Enterprise 600 Service Manual - Page 226
Product initializing, state, Connectivity LED, normal state, error state, Preboot, XX.YY, Sleep Mode
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Table 3-9 Connectivity LED, product initialization (continued) Product initializing state Connectivity LED, normal state Connectivity LED, error state Preboot menu available (including diagnostics) Green, solid Red, solid ● Diagnostic failure ◦ Follow diagnostic instructions Turn the power off, and then on again to restart the initialization process. Accessing disk for firmware image Green, solid NOTE: If applicable, disk error messages appear on the control-panel display. Yellow, fast flash ● Control panel not connected Firmware boot Green, solid NOTE: If applicable, error messages appear on the control-panel display. Yellow, fast flash ● Control panel not connected Product operational 49.XX.YY error or initialization freezes Green, heartbeat blink NOTE: If applicable, error messages appear on the control-panel display. Not applicable Yellow, fast flash ● Control panel not connected LED off NOTE: An error message (for example, 49.XX.YY) might appear on the control-panel display. Eventually a formatter connection missing message will appear. Turn the power off, and then on again to restart the initialization process. If the error persists, perform a firmware upgrade. Control panel connection interrupted after the product is operational Sleep Mode Approaching Sleep Mode Not applicable Green, slow blink Green, slow blink Yellow, fast flash ● Control panel not connected Not applicable Not applicable Wake up from Sleep Mode Follows initialization progression above. Follows initialization progression above. Approaching wake up from Sleep Mode Follows initialization progression above. Follows initialization progression above. 202 Chapter 3 Solve problems ENWW
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