Ricoh D072 Service Manual page 301

SC Tables (Basic: D067/D072)
No.
Definition
IMAC hardware error
929 B
A memory control job is not
completed within a certain period.
NVRAM error
981 B
An error occurs during engine
NVRAM check.
Localization error
The localization information in the
982 B
nonvolatile ROM and in the NVRAM
is different (
D067/D068/D069/D072
Symptom
SP5-807-001).
3-46
Possible Cause
Defective IMAC
Defective BICU
Loose connection
Defective NVRAM
Loose connection between the
BICU and the NVRAM
Incorrect installation of the
NVRAM
Defective BICU
Localization setting not specified
(The main power switch is
turned on for the first time after
the NVRAM is replaced.)
Incorrect localization setting
Defective NVRAM
SM Appendix