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Thread: Ricoh MP C 4504

  1. #11
    Just a tech 250+ Posts keithxxiii's Avatar
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    Re: Ricoh MP C 4504

    The MFP must be haunted.

    May i suggest doing a backup of the NVRAM, then do a clear, test if the problem is still there. Another suggestion if you have a spare SOP, try swapping them.
    Aye! Cut the crap

  2. #12
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    Re: Ricoh MP C 4504

    Quote Originally Posted by keithxxiii View Post
    The MFP must be haunted.

    May i suggest doing a backup of the NVRAM, then do a clear, test if the problem is still there. Another suggestion if you have a spare SOP, try swapping them.
    Tried the NVRAM back-up, restore remedy. No change. Swapped controller board. No good. Looking at BCU now. Thoughts?

  3. #13
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    Re: Ricoh MP C 4504

    Quote Originally Posted by anothertech View Post
    What is the volage hot to neutral?, and how many volts from neutral to ground? Is your surge suppressor a line monitor?
    regarding how many volts from neutral to ground?
    arent they the same..0 volts?
    I MEAN THE NEUTRAL and ground both connect to the same ground bar in sub panel???

  4. #14
    Copier Combobulator 500+ Posts
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    Re: Ricoh MP C 4504

    Quote Originally Posted by fshead View Post
    regarding how many volts from neutral to ground?
    arent they the same..0 volts?
    I MEAN THE NEUTRAL and ground both connect to the same ground bar in sub panel???
    If there is a load on the circuit you should see 1-2v between neutral and ground.

  5. #15
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    Re: Ricoh MP C 4504

    Quote Originally Posted by sturmtrooper View Post
    If there is a load on the circuit you should see 1-2v between neutral and ground.

    ok..I ve never had to test the voltage between neutral and ground and especially with a load on...
    I guess that can left to the newbies to do when they are focused on texting with their phone at the same time as testing....
    That will wake them up..
    I Still remember the time i have a bad high voltage power pack and went to ck it and got hit wth 6,000 volts..
    Low amperage but it left a big impression...

  6. #16
    Retired 5,000+ Posts slimslob's Avatar
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    Re: Ricoh MP C 4504

    Quote Originally Posted by fshead View Post
    regarding how many volts from neutral to ground?
    arent they the same..0 volts?
    I MEAN THE NEUTRAL and ground both connect to the same ground bar in sub panel???
    If it is indeed a sub panel, NO. From National Electrical Code 214:
    At the service panel (ONLY AT THE SERVICE PANEL - HUGELY IMPORTANT) the neutral bus bar is bonded to ground. However, any sub-panel after the primary service from there MUST have an isolated neutral. DO NOT DO NOT DO NOT bond neutral to ground in a sub-panel.

    Quote Originally Posted by sturmtrooper View Post
    If there is a load on the circuit you should see 1-2v between neutral and ground.
    I have encountered electrical outlets with floating grounds, ground terminal not connected to the ground bus at the AC panel. I have actually seen a "ground" pin on an outlet that measured half way between hot and neutral.

  7. #17
    Retired 5,000+ Posts slimslob's Avatar
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    Re: Ricoh MP C 4504

    Quote Originally Posted by fshead View Post
    ok..I ve never had to test the voltage between neutral and ground and especially with a load on...
    I guess that can left to the newbies to do when they are focused on texting with their phone at the same time as testing....
    That will wake them up..
    I Still remember the time i have a bad high voltage power pack and went to ck it and got hit wth 6,000 volts..
    Low amperage but it left a big impression...
    Ground to neutral spikes can be just as bad as hot to neutral and hot to ground

  8. #18
    Ricoh Fanboy 1,000+ Posts Oze's Avatar
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    Re: Ricoh MP C 4504

    Do internal test pages take just as long to print?
    Does the SMC show any "hidden" codes?
    Have you tried a new HDD just in case it's a really bad coincidence that the HDD died on your watch?

  9. #19
    Field Supervisor 500+ Posts
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    Re: Ricoh MP C 4504

    Did you have tested that machine right before you moved it?

    So, you put the power off, waited about 3 minutes untill the switch automaticaly went off.
    Than you rolled (?) it away to another position in that room but with the cord in the same outlet...
    (Did you bounced onto something?)
    You have putted the machine back on and .... whoopie, here we are.
    Is this correct?

  10. #20
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    Re: Ricoh MP C 4504

    This seems like an electrical power problem, if you've checked the devices internal PSU/Controller/HDD etc then you should really get a Sparks in to check the Supply as it may not be a machine fault.

    Regards

    Batman1976

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