• Code: E7-95
• Description: Printer PWB DIMM memory check error
• 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
• 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-A0
• Description: LSU EEPROM/LD driver read/write error (K)
• Causes: EEPROM/LD driver trouble. EEPROM/LD driver access circuit trouble.
• Remedy: Check connection of the connector and the harness of the LD PWB and the PCU PWB. Replace the PCU PWB. If the above remedies cannot delete the trouble, replace the LSU.

• Code: E7-A5
• Description: Installation error of HDD which was used in the mirroring kit
• Causes: A HDD which was used in the mirroring kit is installed to the MFP without the mirroring kit.
• Remedy: Replace the HDD with one which has not been used in the mirroring kit.

• Code: EE-EC
• Description: Automatic toner density adjustment error
• Causes: Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
• Remedy: Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.

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

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

• Code: F0-03
• Description: Finisher paper exit roller lift motor section abnormality (FNM110)
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the paper exit roller lift motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.