Code :

Code: E7-48
Description: Scanner expansion PWB (ACRE) ASIC memory error
Causes: Scanner expansion PWB (ACRE) DIMM trouble, memory slot trouble. Scanner expansion PWB (ACRE) DIMM insertion trouble. Scanner expansion PWB (ACRE) connection trouble. Scanner expansion PWB (ACRE) trouble. SCN-MFP PWB trouble.
Remedy: Check insertion of the scanner expansion PWB (ACRE) DIMM memory. Check the scanner expansion PWB (ACRE) DIMM memory, and replace if necessary. Check connection of the scanner expansion PWB (ACRE). Check the scanner expansion PWB (ACRE), and replace if necessary. Check the SCN-MFP PWB, and replace if necessary.

Code: E7-50
Description: engine connection trouble
Causes: A PWB/firmware/LSU which is not compatible with the machine specifications is detected. PCU PWB trouble LSU trouble
Remedy: Check the kind and the version of the firmware. Check or replace the LSU. Check or replace the PCU PWB.

Code: E7-55
Description: PWB information sum error (engine detection)
Causes: PCU EEPROM sum check error. PCU EEPROM trouble. PCU EEPROM contact trouble.
Remedy: Replace the PCU PWB. Replace the PCU EEPROM.

Code: E7-60
Description: Combination error between PWB and firmware
Causes: A PWB/firmware which is not compatible with the machine specifications is detected in the SCN-MFP PWB. SCN-MFP PWB trouble.
Remedy: Check the kind and the version of the firmware. Check or replace the SCN-MFP PWB.

Code: E7-61
Description: Combination error between the SCNMFP PWB and the PCU PWB
Causes: Combination error between the SCN-MFP PWB and the PCU PWB. SCN-MFP PWB trouble. PCU PWB trouble.
Remedy: Check the combination between the SCN-MFP PWB and the PCU PWB. Replace the SCN-MFP PWB or PCU PWB.