• Code: E7-47
• Description: Combination of firmware error between the SCN-MFP and the ACRE ASIC
• Causes: Written ACRE board of the firmware that a model did not support MFP was connected.
• Remedy: Check the kind and the version of the firmware. Use SIM49-1 or SIM49-10 to execute firmware version-up

• Code: E7-48
• Description: Scanner expansion PWB (ACRE) ASIC memory error
  • DDR calibration error • DIMM insertion trouble, etc.
• 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. MFPC 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 MFPC PWB, and replace if necessary.

• Code: E7-49
• Description: Water Mark data error
• Causes: Watermark data trouble. HDD trouble.
• Remedy: Use SIM49-5 to upload the watermark data. Replace the HDD.

• 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)
  EEPROM PWB information sum error
• Causes: EEPROM device trouble. EEPROM device contact trouble. Device access error due to noises.
• Remedy: Replace the PWB.

• Code: E7-58
• Description: PWB information sum error (engine other detection)
  LSU PWB information sum error (engine other detection)
• Causes: LSU connection failure PCU PWB trouble. LSU trouble.
• Remedy: Replace the LSU control PWB. Replace the PCU PWB. Replace the LSU.

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

• Code: E7-61
• Description: Combination error between the MFPC PWB and the PCU PWB (MFPC PWB detection)
• Causes: Combination error between the MFPC PWB and the PCU PWB. MFPC PWB trouble. PCU PWB trouble.
• Remedy: Check the combination between the MFPC PWB and the PCU PWB. Replace the MFPC PWB. Replace the PCU PWB.