Ricoh 2400w sc547 errors+++ 1075, w240

 ms switch 6A/220v cam switch Rear Right doorswitch, maybe paper jams during copying...if opens...

• Description: Zero-Cross Signal Errors
  The zero-cross signal from the ac power supply makes a trigger pulse to control the supply of power. It automatically detects 50/60 Hz.
• Causes: • Check that the frequency of the power supply to the machine is correct. • Replace the PSU. • Replace the MCU

2020-05-29 

 3FB52310A  AZ230193

 change ACDC or  mcu  or both     0.07OK

LOGICAL ERRORS AS  992-00   >>>RESET ERROR

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RESET as   Y 107 STOP-steady press  1 SET START  ....OFF/ON

2020-05-29 

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