• Code: E7-89
• Description: Communication error between MFPC PWB CPU and energy-saving NIC controller
  No response can be obtained from the energy-saving NIC controller
• Causes: MFPC PWB trouble.
• Remedy: Replace the MFPC PWB.

• 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.

• Code: E7-91
• Description: FAX reception image data error
  An error of FAX reception image data process occurs.
• Causes: Image data process abnormality HDD trouble SD card trouble or contact error Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error FAX control PWB trouble
• Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace or check installation of the SD card. Replace the MFPC PWB. Replace or check installation of the DIMM memory. Replace the FAX control PWB.

• Code: E7-92
• Description: Copy image data error
  An error of copy image data process occurs. (In Non ERDH)
• Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
• Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

• Code: E7-93
• Description: Copy, image send, filing, print image data process error
  An image data process error occurs in the following operation mode: • Copy (in ERDH) • Copy composing system function (Water mark) • When in image send • When filing documents • When displaying the preview • When printing with the GDI/PCL printer • Copy composing system function (Water mark)
• Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
• Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

• Code: E7-94
• Description: Image file data process error (when importing file data)
  File image process error (backup restore error) when importing filing data
• Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
• Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

• Code: E7-95
• Description: Printer PWB DIMM memory check error
  SOC DIMM memory access trouble
• Causes: Memory data corruption occurs MFPC PWB trouble DIMM memory trouble or contact error
• Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the MFPC PWB. DIMM memory socket check Replace the DIMM memory.

• Code: E7-96
• Description: MFPC PWB DIMM memory check error
  MFPC PWB DIMM memory access trouble
• Causes: Memory data corruption occurs MFPC PWB trouble DIMM memory trouble or contact error
• Remedy: Use SIM60-01 to check the read/write operations of the memory. Replace the MFPC PWB. DIMM memory socket check Replace the DIMM memory.