While specific version notes vary by release, recent updates for the MP 5055 series (including those released through ) focus on the following:
Do you have to the printer's web network settings?
If the machine stalls on the "Please Wait" screen or loops repeatedly after an update, a critical system module may have failed to compile. Turn off the machine, insert the firmware media again, and attempt a rewrite. If it remains unresponsive, you may need a certified Ricoh technician to perform a physical board clear or replace the NVRAM.
Turn the machine on. The system will detect the firmware file and display an update menu on the screen.