Ricoh D146 Service Manual page 1864

4.2.5 SP5-XXX (RAM CLEAR)
5
Mode No.
Initialize SRAM (except Secure)
101
000
Erase All Files
102
000
Reset Bit Switches (except Secure)
103
000
Factory Setting
104
000
Reset All Bit Switches
105
000
Reset Security Bit Switches
106
000
D163
Function
Initializes the bit switches and user parameters, user data in
the SRAM, files in the SAF memory, and clock.
Erases all files stored in the SAF memory.
Resets the bit switches and user parameters.
Resets the bit switches and user parameters, user data in the
SRAM and files in the SAF memory.
Resets all the current bit switch settings.
Resets only the security bit switches. If you select automatic
output/display for the user parameter switches, the security
settings are initialized.
88 SM