Ricoh M281 Series Service Manual page 503

No. Type
SC840-00 D
No. Type
SC841-00 D
No. Type
SC842-00 C
No. Type
SC842-01 C
SM
Error Name/Error Condition/Major Cause/Solution
EEPROM access error

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
-
Error Name/Error Condition/Major Cause/Solution
EEPROM read data error
Mirrored data of the EEPROM is different from the original data in
EEPROM.
Data in the EEPROM is overwritten for some reason.
-
Error Name/Error Condition/Major Cause/Solution
Nand-Flash updating verification error
SCS write error (verify error) occurred at the Nand-Flash module
when remote ROM or main ROM was updated.
Nand-Flash defective
Turn the main power OFF/ON.
Error Name/Error Condition/Major Cause/Solution
Insufficient Nand-Flash blocks (threshold exceeded)
At startup, or when machine returned from energy save mode,
the Nand-Flash status was read and judged that the number of
unusable blocks had exceeded threshold, and then SCS
generated the SC code.
6-65
Service Call 816-899
D255/D256/M281/M282