Ricoh MP4000B Please Wait

[TecnocopyVI]

Hi Guys,
i have Ricoh MP4000b in the display sign please wait always , they haven't hard disk!

[jonezy999]

Replace controller board brother. That's from my memory (running abotr 50% at the moment), I will check my notes tomorrow. Use the EEPROM's from the original too.

[Zeldaman]

Hi there!
I agree! Normaly the HDD & the controller-board has to be changed.
Greetings...

[sandmanmac]

If the fuser is warm, it's probably the operation panel. If not, then BICU or Controller

[Llama God]

Does it come ready with the ADF unplugged?

[JustManuals]

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[sharpmind]

Replace controller board brother. That's from my memory (running abotr 50% at the moment), I will check my notes tomorrow. Use the EEPROM's from the original too.

I agree,too!

[TecnocopyVI]

hi guys! i have change controller board but they sign sc819 what i make? thank you!

[Masterchief]

Hi

Did you also change the EEPROMS over, from the old to the new

[DRichard]

I'll pick up this old thread...
I had this same problem on an old MP 4000B with no add-on options. Replace the controller pwb with one from HyTec using the original NVRAMS. Fixed the problem but had an SC220 come up a couple of times. After resetting the machine and working on cleaning and some PM parts replacements it seemed to work OK for a bit. Now, after working through some sample pages the SC 220 has returned and isn't clearing. According to the service manual this code is indicating a Copy Data Security Unit mismatch or defect. This item is listed as optional and the copier doesn't have it installed. Might it be an artifact left on the rebuilt board I have gotten from HyTec? Any suggestions will be appreciated. Thank you in advance. Happy Holidays to all.