Ricoh IM 550F Field Service Manual page 233

4.Replacement and Adjustment
How to start from shutdown
To start the machine, press the main power switch. However, if you press the main power switch
between the beginning and the end of a shutdown, the machine will not start.
Forced Shutdown
In case normal shutdown does not complete for some reason, the machine has a forced shutdown
function.
To force shutdown the machine, press and hold the main power switch for 6 seconds.
Normally, do not execute a forced shutdown.
•
Forced shutdown can damage the HDD, the memory, and the machine. Use the force
shutdown only if it is unavoidable.
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