• Code: SC780-01
• Description: Bank 2 (Lower optional paper tray) Protection Device Intercept Error When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.
• Causes: In 24V power supply system: • Motor defective • Solenoid defective • Harness short- circuit
• Remedy: • Replace the PCB • Replace the short-circuited part (harness, motor, solenoid)

• Code: SC791-00
• Description: No bridge unit when finisher is present When power supply is switched on or paper is transported, finisher set is detected but bridge unit set is not detected. (during internal finisher connection, not detected)
• Causes: • Bridge unit not attached • Bridge unit defective
• Remedy: • Reset the bridge unit • Turn the power off/on

• Code: SC792-00
• Description: No finisher, bridge unit provided When power supply is switched on, it is recognized there is no finisher, and a bridge unit is fitted.
• Causes: • Finisher connector set fault • In a machine which has a bridge unit connected, a finisher is not fitted • Finisher defective
• Remedy: Connect finisher or disconnect bridge unit, and turn the power off/on

• Code: SC816
• Description: Energy save I/O subsystem error
• Causes: Energy save I/O subsystem detected some abnormality. • Energy save I/O subsystem defective • Energy save I/O subsystem detected a controller board error (nonresponse). • Error was detected during preparation for transition to STR.
• Remedy: • Turn the main power off/on. • Replace the controller board.

• Code: SC840-00
• Description: EEPROM access error An error occurred during I/O processing. • A read error occurred and 3 retries failed. • A write error occurred.
• Causes: EEPROM defective or end-of-life
• Remedy:

• Code: SC841-00
• Description: EEPROM read data error Compared the data from 3 areas of the EEPROM mirror data with the original data and all 3 of them were different from the original data.
• Causes: Data in the specific area of the EEPROM has been modified.
• Remedy:

• Code: SC842-00
• Description: Nand-Flash updating verification error During remote ROM update or ROM update, the SCS detected a write error (verify error) regarding the data written to the Nand-Flash.
• Causes: Nand-Flash damaged
• Remedy: Turn the main power off/on.

• Code: SC842-01
• Description: Nand-Flash bad block number exceeding the threshold When the status of the Nand-Flash was checked at power-on or when returning from energy saver mode, the number of bad blocks exceeded the threshold.
• Causes: Nand-Flash bad block number exceeding the threshold
• Remedy: Replace the controller board.