The PCU black type F on Ricoh AP3850c need to be reseted. I need the procedure to access to Service Mode. It's different from AP3800c!!!
Thanks.
Thanks.
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Hold down the two up and down arrows on the far right for 5 or more seconds, release and press the right arrow key. That should get you in.
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The first law states that energy is conserved: The change in the internal energy is equal to the amount added by heating minus the amount lost by doing work on the environment.
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