Ricoh D148 - Page 1757

System Maintenance
D148 20 SM
4.1.2 MAINTENANCE MODES
The different service modes and their roles are as follows.
* For security reasons, the specific methods for switching between service modes are not given
here. Please check according to the usual procedure.
Mode
Application
Remarks
MFP SP mode
MFP (engine)
 Conventional SP mode
Since a 10-keypad is used
for mode shift, mode shift
must be performed from a
GW application.
Screen service mode
Android-specific screen service
mode
 Android application installation
and version update
 Screen self-diagnosis check
Idem
Recovery mode
Android OS maintenance
 OS update
 Full data format
-
4.1.3 VERSION UPDATE
Android firmware (OS) version update is performed from recovery mode.
 If Quick Startup is set, it is not possible to shift to recovery mode. It is necessary to
perform either shutdown from Normal Startup Mode, or shutdown by the power OFF
procedure prior to maintenance (before disconnecting the power supply plug).
 If extended security for firmware update is set to "prohibit", it is not possible to shift to
recovery mode. (System Settings>Administrator Tools>Extended Security is displayed in
log-on screen for machine administrator)
 If firmware update is required with the above settings, ask customer (machine
administrator) to request a change of the setting.
1. Turn off the main power.
2. Insert the SD card in the control unit SD slot, and start the recovery mode.
3. Select "apply update from sdcard.", and press [Home] key.
 Screen operations are as follows.
 OK: [HOME] key.
 UP: [Return] key.