This printer was locked up showing "internal misfeed" or sometimes sc400. I tried to update firmware via Ethernet but it hung up. After fifteen minutes I turned power off. Now any fw update attempt shows "machine busy".
The screen of the machine comes up with "wrong model."
I replaced the engine board and Eeprom, tyen initialized the Eeprom.
Ricoh hotline says I must have our Ricoh regional rep out to reprogram the serial number to fix the wrong model error. The last time I needed him out it took about six weeks,so I just don't care to wait.
Yes I have read the manual, which states helpfully "ask your supervisor how to enter special service mode." Unfortunately ricoh hotline feels they're not allowed to just tell me how to do it myself.
Anyway help is appreciated -- entering special service mode or some other fix if that's not the real solution.
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