RTTGen111104a.pdf
I don't know if this will work, but if it does it might show why Ricoh firmware upgrades need to be taken with a bit of care for the time being.
If it doesn't work, here's the cliff notes version as I understand it: thanks to the recent earthquake/tidal wave disaster in Japan, Ricoh had to find some new sources for the processors that control the machines. The firmware for those processors is very different than the standard firmware, and as such firmware upgrades should be avoided if the installed firmware version starts with an "A".
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