HP LaserJet Enterprise 700 M712 series Handbuch Zur Fehlerbehebung Seite 129

Table 2-8 Heartbeat LED, product initialization (continued)
Product initializing
state
Control panel
connection initializes
Preboot menu available
(including diagnostics)
Accessing disk for
firmware image
Firmware boot
Product operational
49.xx.yy
Control panel
connection interrupted
after the product is
operational
Sleep Mode
Approaching Sleep
Mode
ENWW
Heartbeat LED, normal state
Green, solid
NOTE:
Control panel communication
successful. If an error occurs, a message should
appear on the control-panel display.
Green, solid
Green, solid
NOTE: If applicable, disk error messages
appear on the control-panel display.
Green, solid
NOTE: If applicable, error messages appear
on the control-panel display.
Green, heartbeat blink
NOTE:
If applicable, error messages appear
on the control-panel display.
Not applicable
Not applicable
Green, slow blink
Green, slow blink
Heartbeat LED, error state
Yellow, fast flash
Formatter to control panel connection failed
●
Boot process continues
◦
Check the cables between the formatter and
control panel for damage. Make sure that the
cables are fully seated.
Red, solid
Diagnostic failure
●
Follow diagnostic instructions
◦
Turn the power off, and then on again to restart
the initialization process.
Yellow, fast flash
Control panel not connected
●
Yellow, fast flash
Control panel not connected
●
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.
Yellow, fast flash
Control panel not connected
●
Not applicable
Not applicable
Tools for troubleshooting
103