Ricoh D129 - Page 540

Service Call Conditions
SM 6-51 D129/D130
Trouble-
shooting
839 C USB NAND Flash ROM error
[9001]
USB NAND Flash ROM cannot be read.
 Defective controller board
[9101]
The ID of the USB NAND Flash ROM cannot be read.
 Defective controller board
[9110]
The USB NAND Flash ROM controller is disconnected.
 Defective controller board
840 B
EEPROM error 1: EEPROM access
 During the I/O processing, a reading error occurred. The 3rd reading
failure causes this SC code.
 During the I/O processing, a writing error occurred.
Defective EEPROM
841 B
EEPROM error 2: EEPROM read/write error
Mirrored data of the EEPROM is different from the original data in EEPROM.
Data in the EEPROM is overwritten for some reason.
842 B
Flash ROM verification error
Verification error of the flash ROM on the controller board occurs.
 This SC is logged at 1st error detection.SC819 is issued at 2nd error
detection.
 SC819 is issued at 2nd error detection.
Defective flash ROM (controller board)