Causes: mSATA SSD trouble. Improper connection of mSATA SSD. SCN-MFP PWB trouble. Data error of the file system management part.
Remedy: Remove and insert the mSATA SSD. Replace the mSATA SSD. Replace the SCN-MFP PWB.
Code: E7-C0
Description: TPM PWB access error.
Causes: The wear protection function of the TPM substrate. TPM PWB trouble. connection trouble, no connection. TPM PWB used in other MFP was loaded.
Remedy: Turn OFF/ON the power. Check the condition of TPM PWB connection.
Code: E7-C1
Description: Security check error. Abnormality is detected by own security function test when starting.
Causes: TPM PWB trouble. Random number generation program error. Security function and Setting error.
Remedy: Turn OFF/ON the power. Check the condition of TPM PWB connection.
Code: EE-EC
Description: Automatic toner density adjustment error The sampling level in the automatic toner density adjustment is outside of 120+-5.
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) When in the automatic toner density adjustment, the sample level is less than 67 or the control voltage value exceeds 197.
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) When in the automatic toner density adjustment, the sample level exceeds 154 or the control voltage value is less than 49.
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.