Important Notes - Ricoh D177 Service Training

 With previous models, when the DC power was
turned off, the supply of power from the AC
control board to machine internal systems was
stopped.
 With this model, even after the main switch/DC
power has been turned off, a voltage of 5V still
flows through the machine to detect when the
switch is pushed to turn the power on.
 Therefore, before performing any kind of
machine maintenance, you must physically
remove the power cord from the outlet and wait
several minutes (approx. equivalent to the time it
takes to remove the rear cover).
Slide 44
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Important Notes

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Met-C1yz Training