Ricoh M281 Series Service Manual page 388

Package Firmware Update (MP 501/601 Only)
Types of firmware update files, supported update methods:
Individual firmware
Package firmware
5.3.2 IMMEDIATE UPDATE
Enter the [Firmware Update] menu in the SP mode and update the package firmware.

The [Firmware Update] button will appear even when a machine is connected to
@Remote with a device which does not have an embedded @Remote communicating
function.

If an error code is displayed, refer to Error Screens During Updating (page 5-9).
1. Enter the SP mode.
2. Touch [Firmware Update].
3. Touch [Update].
D255/D256/M281/M282
SFU
N/A
Available
5-18
SD
Available
Available
RFU
Available
N/A
SM