Ricoh D093 - Delete All Error 1: HDD; Delete All Error 2: Data Area

Service Call Tables
SM 7-41 D093/D094
Trouble-
Shooting
874 D Delete All error 1: HDD
CTL
A data error was detected for the HDD/NVRAM after the Delete All option
was used.
Note: The source of this error is the Data Overwrite Security Unit B735
running from the DOS SD card.
 Turn the main switch off/on, do the operation again.
 Install the Data Overwrite Security Unit again.
 HDD defective
875 D Delete All error 2: Data area
CTL
An error occurred when the machine deleted data from the HDD.
Note: The source of this error is the Data Overwrite Security Unit B735
running from the DOS SD card.
 Turn the main switch off/on and try the operation again.