SC NO.  | Pattern  | Details (Symptom, Possible Cause, Troubleshooting Procedures)  | 
|---|---|---|
669-**  | 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  | ||
  | 
SC NO.  | Pattern  | Details (Symptom, Possible Cause, Troubleshooting Procedures)  | 
|---|---|---|
687-00  | 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  | ||
  | 
SC NO.  | Pattern  | Details (Symptom, Possible Cause, Troubleshooting Procedures)  | 
|---|---|---|
688-00  | 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,  | ||
 
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