• 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.

• Code: E7-A0
• Description: LSU EEPROM/LD driver read/write error (K). Write error in write sequence of the serial EEPROM/ LD driver for Black
• 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-A1
• Description: LSU EEPROM/LD driver read/write error (C). Write error in write sequence of the serial EEPROM/ LD driver for Cyan
• 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-A2
• Description: LSU EEPROM/LD driver read/write error (M). Write error in write sequence of the serial EEPROM/ LD driver for Magenta
• 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-A3
• Description: LSU EEPROM/LD driver read/write error (Y). Write error in write sequence of the serial EEPROM/ LD driver for Yellow
• 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-A7
• Description: SSD trouble
• Causes: SSD trouble Improper connection of SSD MFP PWB trouble Data error of the file system management part
• Remedy: Remove and insert the SSD Replace the SSD Replace the MFP PWB

• Code: E7-C0
• Description: TPM PWB data access error
• Causes: TPM PWB error, poor connection Installed TPM PWB used with other MFP
• Remedy: Turn power off and on Check and confirm TPM PWB insertion

• Code: E7-C1
• Description: Security check error
• Causes: TPM PWB error Program error Security function, setting error
• Remedy: Turn power off and on Check and confirm TPM PWB insertion