Power
amber
LED
Power
blue
LED
Power
green
LED
Formatter I
LED
Formatter II
LED
Formatter
III LED
Front
panel
status
Problem and recommendations
Off Off Off Off Off Off Off The printer is not receiving electrical
power.
1. Ensure that the printer is connected
to the power outlet.
2. Ensure that the outlet delivers the
expected power.
3. Replace the Power Supply Unit.
On Off Off Off Off Off Off The Power key fails to turn on the printer.
1. Turn the printer off using the switch
at the rear, and disconnect the
power cord. Reconnect the power
cord and turn on the printer using
the switch at the rear.
2. If the problem persists, replace the
Front Panel.
Off On Off Off Off Off Off There is a power failure in the Formatter.
1. Reseat the power connector in the
Formatter.
2. Replace the Main PCA.
3. If the problem persists, replace the
Formatter.
4. If the problem persists, replace the
Power Supply Unit.
Off On Off On Off Off Off The Formatter BIOS is unable to start.
If an external Memory Module is installed:
1. Reseat the Memory Module.
2. Remove the Memory Module and
restart the printer.
3. If the printer is able to start
normally, replace the Memory
Module. If not, replace the
Formatter.
If an external Memory Module is not
installed, replace the Formatter.
Off On Off Flashing Off Off Off The Formatter BIOS cannot detect the
Hard Disk Drive.
1. Reseat the Hard Disk Drive
connectors.
2. Replace the Hard Disk Drive.
Off On Off On Flashing Off Off The operating system has experienced a
fatal error. Replace the Hard Disk Drive.
16 Chapter 2 Troubleshooting ENWW
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