Sharp MXB350PZ

• Code: E7-91
• Description: Decode error (FAX received image data)
• Causes: Image compression data corruption
  HDD trouble
  mSATA eMMC trouble
  MFPC PWB trouble
  FAX PWB trouble
• Remedy: SIM60-1 to execute
  Replace HDD
  Replace mSATA eMMC
  Replace MFPC PWB
  Replace FAX PWB

• Code: E7-93
• Description: Decode error
• Causes: Image compression data corruption
  HDD trouble
  MFPC PWB trouble
• Remedy: SIM60-1 to execute
  Replace HDD
  Replace MFPC PWB

• Code: EE-EC
• Description: Automatic toner density adjustment error (Sampling abnormal)
• Causes: Toner density sensor trouble.
  Charging voltage / developing voltage trouble.
  Toner density trouble.
  Developing unit trouble.
  MFPC PWB trouble.
• Remedy: Replace Developing unit.
  Replace MFPC PWB.

• Code: EE-EL
• Description: Automatic toner density adjustment error (Over toner)
• Causes: Toner density sensor trouble.
  Charging voltage / developing voltage trouble.
  Toner density trouble.
  Developing unit trouble.
  MFPC PWB trouble.
• Remedy: Replace Developing unit.
  Replace MFPC PWB.

• Code: EE-EU
• Description: Automatic toner density adjustment error (Under toner)
• Causes: Toner density sensor trouble.
  Charging voltage / developing voltage trouble.
  Toner density trouble.
  Developing unit trouble.
  MFPC PWB trouble.
• Remedy: Replace Developing unit.
  Replace MFPC PWB.

• Code: F2-22
• Description: Discharge lamp trouble
• Causes: Connector, harness connection trouble
  Discharge lamp trouble
  MFPC PWB trouble
• Remedy: Check connection state of connector, harness
  Replace discharge lamp
  Replace MFPC PWB