SC600 (Device Communication)

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC641-01 (CTL SC)	D	Engine serial communication error (Time-out)
		No response over the specified time.
		Controller board or software failure Connection failure may exist between controller board and engine board Engine board or software failure
		Check the connection between controller board and engine board. Turn the main power off/on.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC641-02 (CTL SC)	D	Engine serial communication error (Retry-Over)
		When commands are sent in the normal mode (ESIF_LECI_NORMAL), communication fails over the upper limit numbers (3 times) of command byte retry.
		Controller board or software failure Connection failure may exist between controller board and engine board Engine board or software failure
		Check the connection between controller board and engine board. Turn the main power off/on.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC641-03 (CTL SC)	D	Engine serial communication error (Download Error)
		In the download command mode (ESIF_LECI_DLCOM) or download data mode (ESIF_LECI_DLDAT), a communication error is returned from engine.
		Controller board or software failure Connection failure may exist between controller board and engine board Engine board or software failure
		Check the connection between controller board and engine board. Turn the main power off/on.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC641-04 (CTL SC)	D	Engine serial communication error (UART Error)
		UART receive errors (Break condition, Framing, Parity or Overrun error) are detected.
		Controller board or software failure Connection failure may exist between controller board and engine board Engine board or software failure
		Check the connection between controller board and engine board. Turn the main power off/on.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC667-01	D	Master device operation mode setting error
		When the machine starts or returns from the energy saver mode, a CPU mode setting error is detected.
		Engine board is defective.
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Reset the engine board. Replace the engine board.

SC NO.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC669-**	D	EEPROM communication error
		An error is notified during EEPOM communication and the printer does not recover after three retries.
		669 - 1 ID error during EEPROM OPEN 669 - 2 Channel error during EEPROM OPEN 669 - 3 Device error during EEPROM OPEN 669 - 4 Communication interrupted error during EEPROM OPEN 669 - 5 Communication timeout error during EEPROM OPEN 669 - 6 Not operating error during EEPROM OPEN 669 - 7 Buffer full during EEPROM OPEN 669 - 11 ID error during EEPROM data write 669 - 12 Channel error during EEPROM data write 669 - 13 Device error during EEPROM data write 669 - 14 Communication interrupted error during EEPROM data write 669 - 15 Communication timeout error during EEPROM data write
		669 - 16 Not operating error during EEPROM data write 669 - 17 Buffer full during EEPROM data write 669 - 18 No error code during EEPROM data write 669 - 19 ID error during EEPROM data read 669 - 20 Channel error EEPROM data read 669 - 21 Device error during EEPROM data read 669 - 22 Communication interrupted error during EEPROM data read 669 – 23 EEPROM Data read: Communication timeout error 669 - 24 Not operating error during EEPROM data read 669 - 25 Buffer full during EEPROM data read 669 - 26 No error code during EEPROM data read 669 - 36 Verify error
		Turn the power OFF and then ON. Replace the EEPROM. Replace the engine board.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC670-01 (CTL SC)	D	Engine start up error when the machine boots up
SC670-01 (CTL SC)	D	/ENGRDY signal was not asserted when the machine was turned on. PCI I/F is not linked up when the machine returns from energy saver mode. /IPURDY signal was not asserted when the machine was turned on or returned from energy saver mode. EC/PC/SC response was not received within specified time from power on. Writing to Rapi driver failed (the other party not found through PCI).
		PSU defective Controller board defective
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check the FFC between the engine board and the controller board. Replace the units in the following order: PSU Controller board

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC670-02 (CTL SC)	D	Engine start up error when the machine is in operation
SC670-02 (CTL SC)	D	Engine board reset unexpectedly.
		CPU reset by software CPU reset by anomaly CPU CPU reset by hardware defect / noise Hardware defect
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Update the engine/controller firmware to the latest version. Check the FFC between the engine board and the controller board. Replace the units in the following order: PSU Controller board

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC672-10	D	Controller start up error
		After the machine was powered on, communication between the controller and the operation panel was not established.
		Controller stalled Board installed incorrectly Controller board defective Operation panel connector loose, broken, or defective Controller late
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Replace the USB cable/harness between operation panel and controller board. Replace the operation panel.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC672-11	D	Controller start up error
		After the machine was powered on, communication between the controller and the operation panel was not established, or communication with controller was interrupted after a normal startup.
		Controller stalled Board installed incorrectly Controller board defective Operation panel connector loose, broken, or defective Controller late
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Replace the USB cable/harness between operation panel and controller board. Replace the operation panel.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC672-12	D	Controller start up error
		Communication with controller was interrupted after a normal startup.
		Controller stalled Board installed incorrectly Controller board defective Operation panel connector loose, broken, or defective Controller late
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Replace the USB cable/harness between operation panel and controller board. Replace the operation panel.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC672-13	D	Controller start up error
		The operation panel detected that the controller is down.
		Controller stalled Board installed incorrectly Controller board defective Operation panel connector loose, broken, or defective Controller late
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Replace the USB cable/harness between operation panel and controller board. Replace the operation panel.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC672-20	D	Controller start up error
		The operation panel detected that the controller is down.
		Operation panel connector is loose, broken or defective.
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Reconnect the USB cable/harness between operation panel and controller board. Replace the USB cable/harness between operation panel and controller board. Replace the controller board. Replace the operation panel.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC672-21	D	Controller start up error
		The operation panel detected that the controller is down.
		Controller board defective
		Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Replace the USB cable/harness between operation panel and controller board. Replace the operation panel.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC672-99	D	Controller start up error
		The operation panel software ended abnormally.
		Controller stalled Board installed incorrectly Controller board defective Operation panel connector loose, broken, or defective Controller late
		Turn the main power OFF and then ON.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC673-01	D	Flair connection error of Smart Operation Panel
		The SC is issued only when the Smart Operation Panel is installed. Abnormal end (ABEND) of Smart Operation Panel system is detected.
		-
		Press “Restart” on the screen. Turn the main power off/on.

SC No.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC673-10	D	Flair connection error of Smart Operation Panel
		The SC is issued only when the Smart Operation Panel is installed. The main machine does not respond to the smart operation panel with the Flair communication.
		The SP setting for the smart operation panel is mismatched.
		Turn the main power off/on. Set the SP5748-201 (OpePanel Setting) to [1: ON]. Note for the phone number: There is a phone number column on the SC673-10 display, but the phone number is not displayed because of this SC feature. Other Information: When the automatic reboot cannot be performed due to a hardware failure, SC672 or SC673 is displayed. The SC call is not issued. You cannot reboot the machine manually, regardless of the SP5-875-002 setting.

SC NO.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC687-00	D	RAPI-PER receipt failure
		Even though 120 seconds have elapsed after RAPI -PES (request for image transfer) is issued, a RAPI-PER receipt is not received from the controller board.
		Defective controller board/software
		Turn the main power OFF and then ON. Replace the controller board.

SC NO.	Pattern	Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC688-00	D	PRREQ signal not asserted
		The print request signal (PRREQ) signal is not asserted within the prescribed time after paper reaches the registration stand-by position,
		Noise Engine Board error Controller Board error
		Turn the power OFF and then ON Replace the Engine Board. Replace the Controller Board.