SC600 (Engine: Communication and Others)

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC622-01	D	Paper Feed Unit Communication Error (Tray 2)
		A communication error is detected from the paper feed unit 2, 10 times consecutively.
		Paper feed tray 2 defective Connector disconnected or defective Main board defective IOB (PCB17) defective
		Paper feed tray 2 defective Check the connection between the main machine and paper feed tray 2. Connector disconnected or defective Reconnect the following connector. IOB (PCB17) – Main Board connector Replace the main board. Replace the IOB (PCB17).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC622-02	D	Paper Feed Unit Communication Error (Tray 3)
		A communication error is detected from the paper feed unit 3, 10 times consecutively.
		Paper feed tray 3 defective Main board defective IOB (PCB17) defective
		Paper feed tray 3 defective Check the connection between the main machine and paper feed tray 3. Mainboard defective Reconnect the following connector. IOB (PCB17) – Main Board connector If the connector is broken, shorted, or grounded, replace the connector. Replace the main board. IOB (PCB17) defective Update the engine software to the latest version. Replace the IOB (PCB17).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC622-03	D	Paper Feed Unit Communication Error (Tray 4)
		A communication error is detected from the paper feed unit 4, 10 times consecutively.
		Paper feed tray 4 defective Main board defective IOB (PCB17) defective
		Paper feed tray 4 defective Check the connection between the main machine and paper feed tray 4. Main board defective Reconnect the following connector. IOB (PCB17) – Main Board connector If the connector is broken, shorted, or grounded, replace the connector. Replace the main board. IOB (PCB17) defective Update the engine software to the latest version. Replace the IOB (PCB17).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC622-04	D	Paper Feed Unit Communication Error (Tray 5)
		A communication error is detected from the paper feed unit 4, 10 times consecutively.
		Paper feed tray 4 defective Main board defective IOB (PCB17) defective
		Paper feed tray 4 defective Check the connection between the main machine and paper feed tray 4. Main board defective Reconnect the following connector. IOB (PCB17) – Main Board connector If the connector is broken, shorted, or grounded, replace the connector. Replace the main board. IOB (PCB17) defective Update the engine software to the latest version. Replace the IOB (PCB17).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC665-02	D	BiCU (PCB16) – IOB (PCB17) Connection Error
		FFC connection error (connector disconnected) between BiCU (PCB16) and IOB (PCB17) is detected during the startup operation of the engine (when the main power is turned on or when the machine returns from energy save mode)
		FFC defective or disconnected BiCU (PCB16) defective IOB (PCB17) defective
		Turn the main power OFF/ON. Reconnect the FFC between BiCU (PCB16) and IOB (PCB17). Replace the FFC between BiCU (PCB16) and IOB (PCB17). Replace the BiCU (PCB16). Replace the IOB (PCB17).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC665-21	D	MACARON Connection Error (IM 550F/600F/600SRF) / BREIT Connection Error (P 800/801)
		The signal connection error is detected between CPU and MACARON (IM 550F/600F/600SRF) / BREIT (P 800/801) during the startup operation of the engine (when the main power is turned on or when the machine returns from energy save mode).
		BiCU (PCB16) defective
		Turn the main power OFF/ON. Replace the BiCU (PCB16).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC665-71	D	IPUASIC1 Connection Error
		Communication error between the CPU and IPUASIC1 is detected.
		BiCU (PCB16) defective
		Turn the main power OFF/ON. Replace the BiCU (PCB16).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC667-01	D	Master Device Operating Mode Setting Error
		The mode setting error of CPU is detected during the startup operation of the engine (when the main power is turned on or when the machine returns from energy save mode).
		BiCU (PCB16) defective
		Turn the main power OFF/ON. Replace the BiCU (PCB16).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC667-20	D	MACARON Operating Mode Setting Error (IM 550F/600F/600SRF) / BREIT Operating Mode Setting Error (P 800/801)
		The mode setting error of MACARON (IM 550F/600F/600SRF) / BREIT (P 800/801) is detected during the startup operation of the engine (when the main power is turned on or when the machine returns from energy save mode).
		BiCU (PCB16) defective
		Turn the main power OFF/ON. Replace the BiCU (PCB16).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC668-01	D	IOB (PCB17) Startup Error
		The signal to indicate the IOB (PCB17) has started up was not detected within 4 seconds.
		FFC defective or disconnected IOB (PCB17) defective IPU defective
		Turn the main power OFF/ON. Reconnect the FFC between IPU and IOB (PCB17). Replace the FFC between IPU and IOB (PCB17). Replace the IOB (PCB17). Replace the IPU.

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC668-02	D	IOB (PCB17)Communication Error: Reset Error
		Communication reset control and error recovery control does not complete properly.
		FFC not properly connected FFC defective IOB (PCB17) defective BiCU (PCB16) defective
		Turn the main power OFF/ON. Turn the main power OFF, reconnect the FFC between BiCU (PCB16) and IOB (PCB17), and then turn the main power ON. Turn the main power OFF, replace the FFC between BiCU (PCB16) and IOB (PCB17), and then turn the main power ON. Turn the main power OFF, replace the IOB (PCB17), and then turn the main power ON. Turn the main power OFF, replace theBiCU (PCB16), and then turn the main power ON.

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC668-03	D	IOB (PCB17) Communication Error: Retry Timeout Error
		Operation does not resume in 10 seconds after an error occurs.
		IOB (PCB17) defective BiCU (PCB16) defective FFC defective
		Turn the main power OFF/ON. Turn the main power OFF, replace the IOB (PCB17), and then turn the main power ON. Turn the main power OFF, replace theBiCU (PCB16), and then turn the main power ON. Turn the main power OFF, replace the FFC between BiCU (PCB16) and IOB (PCB17), and then turn the main power ON.

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC669		EEPROM Communication Error
SC669-01	D	EEPROM OPEN: ID error
SC669-02	D	EEPROM OPEN: Channel error
SC669-03	D	EEPROM OPEN: Device error
SC669-04	D	EEPROM OPEN: Communication abort error
SC669-05	D	EEPROM OPEN: Communication timeout error
SC669-06	D	EEPROM OPEN: Operation stopped error
SC669-07	D	EEPROM OPEN: Buffer full
SC669-08	D	EEPROM OPEN: No error code
SC669-09	D	EEPROM CLOSE: ID error
SC669-10	D	EEPROM CLOSE: No error code
SC669-11	D	EEPROM Data write: ID error
SC669-12	D	EEPROM Data write: Channel error
SC669-13	D	EEPROM Data write: Device error
SC669-14	D	EEPROM Data write: Communication abort error
SC669-15	D	EEPROM Data write: Communication timeout error
SC669-16	D	EEPROM Data write: Operation stopped error
SC669-17	D	EEPROM Data write: Buffer full
SC669-18	D	EEPROM Data write: No error code
SC669-19	D	EEPROM Data read: ID error
SC669-20	D	EEPROM Data read: Channel error
SC669-21	D	EEPROM Data read: Device error
SC669-22	D	EEPROM Data read: Communication abort error
SC669-23	D	EEPROM Data read: Communication timeout error
SC669-24	D	EEPROM Data read: Operation stopped error
SC669-25	D	EEPROM Data read: Buffer full
SC669-26	D	EEPROM Data read: No error code
SC669-36	D	Verification error
SC669-37	D	Error Detection
		The toner density sensor cannot be recovered after retrying *N^1** times for EEPROM communication error. (*1 SC669-01 to 26: 3, SC669-36: 2, SC669-37: 1)
		Electrical noise EEPROM not installed correctly EEPROM defective BiCU (PCB16) defective
		Turn the main power OFF/ON. Reinstall the EEPROM on the BiCU (PCB16). Replace the EEPROM on the BiCU (PCB16). Replace the BiCU (PCB16).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC687-00	D	PER Not Received Error
		RAPI-PER command was not received from the controller within the specified time (120 sec.) after RAPI-PES (preparation request for image transmission) is issued.
		Electrical noise Controller board (PCB15) defective
		Check if the SC occurs by turning the main power OFF then ON for ten times. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step. Check the engine and controller firmware, and update the firmware to the latest version. If the SC is issued during printing or during receiving fax documents, replace the controller board (PCB15). If the SC is issued during copying, check the DF and IOB (PCB17) connection.

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC689-01	D	EEPROM Communication Error 1
		No response from the device in reading/writing for 5 seconds or more and this problem is repeated 5 times. The reading data of 2 locations do not match 8 times consecutively. The writing data and reading data do not match 8 times consecutively.
		EEPROM on the controller board (PCB15) defective
		Turn the main power OFF and wait for 5 seconds. Then turn ON the main power. Check whether the EEPROM on the controller board (PCB15) is installed correctly. If necessary, reinstall it. Replace the controller board (PCB15). If the EEPROM on the controller board (PCB15) is damaged, replace the EEPROM.

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC689-02	D	EEPROM Communication Error 1
		IOB (PCB17) defective
		Controller board (PCB15) defective
		Replace the controller board (PCB15).

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC690-00	C	EEPROM Data Error
		Reading data from EEPROM is abnormal.
		EEPROM on the controller board (PCB15) defective
		Turn the main power OFF and wait for 5 seconds. Then turn the main power ON. Replace the IOB (PCB17). If the EEPROM on the controller board (PCB15) is damaged, replace the EEPROM.

SC No.	Type	Error Name/Error Condition/Major Cause/Solution
SC691-00	D	Image Processing Error
		Paper jam (J010, J011, J012, J013, J014, J015) is detected twice.
		Controller board (PCB15) defective
		Replace the controller board (PCB15).