Ricoh MP CW2201 - Page 704

SC669-38 D EEPROM2: EEPROM for KAKA Data Error
The values for the y1_head and y2_head of each print head (KAKA) for 3
bytes (both upper and lower) are checked, and all values are different and
recovery is not available after 2 retries.
• Noise, EEPROM defective, BiCU defective
• Main power switch OFF and back ON
• Replace the BiCU.
• If an error is generated, check recovery by setting the main power
switch to OFF and back ON. If not recovered, replace the BiCU.
SC669-39 D EEPROM2 Defect Detection Error
An error report is received from the device in EEPROM (engine NVRAM)
communication and retried 2 times, but communication is not retrieved.
• Noise, EEPROM defective, BiCU defective
• Main power switch OFF and back ON
• Replace the BiCU.
• If an error is generated, check for recovery by setting the main power
switch to OFF and back ON. If not recovered, replace the BiCU.
SC669-52 D EEPROM2 Channel Error
SC669-53 D EEPROM2 Device Error
An error report is received from the device in EEPROM (engine NVRAM)
communication and retried 3 times, but communication is not retrieved.
• Noise, EEPROM defective, BiCU defective
• Main power switch OFF and back ON
• Replace the BiCU.
• If an error is generated, check for recovery by setting the main power
switch to OFF and back ON. If not recovered, replace the BiCU.
6. Troubleshooting
698
SC670-02 and SC672-11
RTB 42