Ricoh M281 Series - Page 489

Service Call 622-691
SM 6-51 D255/D256/M281/M282
Troubleshooting
SC No. Type Error Name/Error Condition/Major Cause/Solution
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 defective
1. Turn the main power OFF/ON.
2. Reinstall the EEPROM on the BiCU.
3. Replace the EEPROM on the BiCU.
4. Replace the BiCU.