Ricoh SP 8400DN Field Service Manual page 1020

4.Replacement and Adjustment
In this case, the machine has not failed. The cause is due to the timing of releasing the residual charge. If you
press the main power switch while the residual charge was already released, the power ON flag will not be set. At
this time, start the machine manually by pressing the main power switch.
Shutdown Method
1.
Press the main power switch [A] on the machine.
2.
The shutdown message appears. After the shutdown process, the main power is turned off automatically.
The operation panel and the main power indicator are turned off when the machine completes the shutdown.
•
Even after the shutdown message disappears, do not disconnect the power cord while the main power
indicator [A] is flashing to indicate that the machine is still shutting down.
•
Before removing and adjusting electrical boards, do the following procedure. Otherwise, the board can
be damaged by the residual charge inside the machine and must be replaced.
1.
Take out the power cord after shutdown.
2.
Press the power switch for a second to remove the residual charge inside the machine.
Forced Shutdown
In case normal shutdown does not complete for some reason, the machine has a forced shutdown function.
To make a forced shutdown, press and hold the main power switch for 6 seconds.
In general, do not use the forced shutdown.
•
Forced shutdown may damage the hard disk and memory, and can cause damage to the machine. Use a
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