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Sharp MX2610N

  • Code: E7-90
  • Description: MFP - PCU PWB communication error
  • Causes: PCU PWB - MFPC PWB connection trouble. PCU PWB trouble. MFPC PWB trouble.
  • Remedy: Check connection of the PCU PWB and the MFPC PWB. Check the ground. Replace the PCU PWB. Replace the MFPC PWB.
Error Code
Service Mode, Troubleshooting
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